From dd275cd749fb33e272004cd946eff18ec4d10281 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Thu, 17 Nov 2011 11:51:25 -0800
Subject: [PATCH] Stop using temporary intrinsic_2 functions

---
 src/comp/middle/trans.rs                  |   2 +-
 src/rt/intrinsics/intrinsics.cpp          | 126 ++++++-----
 src/rt/intrinsics/intrinsics.i386.ll.in   | 260 +++++++++++-----------
 src/rt/intrinsics/intrinsics.x86_64.ll.in | 182 ++++++++-------
 4 files changed, 300 insertions(+), 270 deletions(-)

diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index e2d8811a4ad..3e6eda110d8 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -5724,7 +5724,7 @@ fn register_native_fn(ccx: @crate_ctxt, sp: span, _path: [str], name: str,
       ast::native_abi_rust_intrinsic. {
         let num_ty_param = native_fn_ty_param_count(ccx, id);
         let fn_type = native_fn_wrapper_type(ccx, sp, num_ty_param, fn_type);
-        let ri_name = "rust_intrinsic_2_" + name;
+        let ri_name = "rust_intrinsic_" + name;
         let llnativefn = get_extern_fn(ccx.externs, ccx.llmod, ri_name,
                                        lib::llvm::LLVMCCallConv, fn_type);
         ccx.item_ids.insert(id, llnativefn);
diff --git a/src/rt/intrinsics/intrinsics.cpp b/src/rt/intrinsics/intrinsics.cpp
index dd08fd85216..8806ee45031 100644
--- a/src/rt/intrinsics/intrinsics.cpp
+++ b/src/rt/intrinsics/intrinsics.cpp
@@ -15,6 +15,72 @@ port_recv(uintptr_t *dptr, rust_port *port);
 extern "C" CDECL void
 rust_task_sleep(size_t time_in_us);
 
+extern "C" void
+rust_intrinsic_vec_len(size_t *retptr,
+                         void *env,
+                         type_desc *ty,
+                         rust_vec **vp)
+{
+    *retptr = (*vp)->fill / ty->size;
+}
+
+extern "C" void
+rust_intrinsic_ptr_offset(void **retptr,
+                          void *env,
+                          type_desc *ty,
+                          void *ptr,
+                          uintptr_t count)
+{
+    *retptr = &((uint8_t *)ptr)[ty->size * count];
+}
+
+extern "C" void
+rust_intrinsic_cast(void *retptr,
+                    void *env,
+                    type_desc *t1,
+                    type_desc *t2,
+                    void *src)
+{
+    if (t1->size != t2->size) {
+        upcall_fail("attempt to cast values of differing sizes",
+                    __FILE__, __LINE__);
+        return;
+    }
+
+    memmove(retptr, src, t1->size);
+}
+
+extern "C" void
+rust_intrinsic_addr_of(void **retptr,
+                       void *env,
+                       type_desc *ty,
+                       void *valptr) {
+    *retptr = valptr;
+}
+
+extern "C" void
+rust_intrinsic_recv(void **retptr,
+                    void *env,
+                    type_desc *ty,
+                    rust_port *port) {
+    port_recv((uintptr_t*)retptr, port);
+}
+
+extern "C" void
+rust_intrinsic_get_type_desc(void **retptr,
+                             void *env,
+                             type_desc* ty) {
+    *(type_desc**)retptr = ty;
+}
+
+extern "C" void
+rust_intrinsic_task_sleep(void **retptr,
+                          void *env,
+                          size_t time_in_us) {
+    rust_task_sleep(time_in_us);
+}
+
+
 extern "C" void
 rust_intrinsic_2_vec_len(size_t *retptr,
                          void *env,
@@ -79,63 +145,3 @@ rust_intrinsic_2_task_sleep(void **retptr,
                           size_t time_in_us) {
     rust_task_sleep(time_in_us);
 }
-
-extern "C" void
-rust_intrinsic_vec_len(void *task,
-                       size_t *retptr,
-                       type_desc *ty,
-                       rust_vec **vp)
-{
-    rust_intrinsic_2_vec_len(retptr, NULL, ty, vp);
-}
-
-extern "C" void
-rust_intrinsic_ptr_offset(void *task,
-                          void **retptr,
-                          type_desc *ty,
-                          void *ptr,
-                          uintptr_t count)
-{
-    rust_intrinsic_2_ptr_offset(retptr, NULL, ty, ptr, count);
-}
-
-extern "C" void
-rust_intrinsic_cast(void *task,
-                    void *retptr,
-                    type_desc *t1,
-                    type_desc *t2,
-                    void *src)
-{
-    rust_intrinsic_2_cast(retptr, NULL, t1, t2, src);
-}
-
-extern "C" void
-rust_intrinsic_addr_of(void *task,
-                       void **retptr,
-                       type_desc *ty,
-                       void *valptr) {
-    rust_intrinsic_2_addr_of(retptr, NULL, ty, valptr);
-}
-
-extern "C" void
-rust_intrinsic_recv(void *task,
-                    void **retptr,
-                    type_desc *ty,
-                    rust_port *port) {
-    rust_intrinsic_2_recv(retptr, NULL, ty, port);
-}
-
-extern "C" void
-rust_intrinsic_get_type_desc(void *task,
-                             void **retptr,
-                             type_desc* ty) {
-    rust_intrinsic_2_get_type_desc(retptr, NULL, ty);
-}
-
-extern "C" void
-rust_intrinsic_task_sleep(void *task,
-                          void **retptr,
-                          size_t time_in_us) {
-    rust_task_sleep(time_in_us);
-}
-
diff --git a/src/rt/intrinsics/intrinsics.i386.ll.in b/src/rt/intrinsics/intrinsics.i386.ll.in
index a45c6b1ff6b..acf42dd603e 100644
--- a/src/rt/intrinsics/intrinsics.i386.ll.in
+++ b/src/rt/intrinsics/intrinsics.i386.ll.in
@@ -1,83 +1,90 @@
 ; ModuleID = 'src/rt/intrinsics/intrinsics.cpp'
-; target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
+; target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
 target triple = "@CFG_TARGET_TRIPLE@"
 
-%0 = type { i32, %"struct.memory_region::alloc_header"**, i32 }
-%1 = type { i32, %struct.rust_scheduler**, i32 }
-%2 = type { %"struct.hash_map<long, rust_task *>::map_entry"* }
-%class.array_list = type { i32, %struct.rust_task**, i32 }
-%class.circular_buffer = type { %class.rust_kernel*, i32, i32, i32, i32, i8* }
-%class.context = type { %struct.registers_t, %class.context* }
-%"class.debug::task_debug_info" = type { %"class.std::map" }
-%class.hash_map = type { %"struct.hash_map<long, rust_port *>::map_entry"* }
-%class.indexed_list = type { i32 (...)**, %class.array_list }
-%class.lock_and_signal = type { i32 (...)**, %struct._opaque_pthread_cond_t, %struct._opaque_pthread_mutex_t, %struct._opaque_pthread_t*, i8, i8 }
-%class.memory_region = type { i32 (...)**, %class.rust_srv*, %class.memory_region*, i32, %0, i8, i8, %class.lock_and_signal }
-%class.rust_crate_cache = type { %struct.type_desc*, %struct.rust_scheduler*, i32 }
-%class.rust_kernel = type { i32 (...)**, %class.memory_region, %class.rust_log, %class.rust_srv*, %class.lock_and_signal, %1, %struct.randctx, i32, %2, i32, i32, i32, %struct.rust_env* }
-%class.rust_log = type { i32 (...)**, %class.rust_srv*, %struct.rust_scheduler*, i8 }
-%class.rust_obstack = type { %struct.rust_obstack_chunk*, %struct.rust_task* }
-%class.rust_port = type { i32, i32, %class.rust_kernel*, %struct.rust_task*, i32, %class.circular_buffer, %class.lock_and_signal }
-%class.rust_srv = type { i32 (...)**, %struct.rust_env*, %class.memory_region }
-%"class.rust_task::wakeup_callback" = type { i32 (...)** }
-%class.rust_task_list = type { %class.indexed_list, %struct.rust_scheduler*, i8* }
-%class.rust_thread = type { i32 (...)**, i8, %struct._opaque_pthread_t* }
-%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" }
-%"class.std::map" = type { %"class.std::_Rb_tree" }
-%class.timer = type { i32 (...)**, i64, i64 }
-%struct.UT_hash_bucket = type { %struct.UT_hash_handle*, i32, i32 }
+%struct.type_desc = type { %struct.type_desc**, i32, i32, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i8*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i32, void (i8*, i8*, %struct.type_desc**, i8*, i8*, i8)*, i8*, %struct.rust_shape_tables*, i32, i32, %struct.UT_hash_handle, i32, [0 x %struct.type_desc*] }
+%struct.rust_shape_tables = type { i8*, i8* }
 %struct.UT_hash_handle = type { %struct.UT_hash_table*, i8*, i8*, %struct.UT_hash_handle*, %struct.UT_hash_handle*, i8*, i32, i32 }
 %struct.UT_hash_table = type { %struct.UT_hash_bucket*, i32, i32, i32, %struct.UT_hash_handle*, i32, i32, i32, i32, i32 }
-%struct.__darwin_pthread_handler_rec = type { void (i8*)*, i8*, %struct.__darwin_pthread_handler_rec* }
-%struct._opaque_pthread_attr_t = type { i32, [36 x i8] }
-%struct._opaque_pthread_cond_t = type { i32, [24 x i8] }
-%struct._opaque_pthread_mutex_t = type { i32, [40 x i8] }
-%struct._opaque_pthread_t = type { i32, %struct.__darwin_pthread_handler_rec*, [596 x i8] }
-%struct.chan_handle = type { i32, i32 }
-%"struct.hash_map<long, rust_port *>::map_entry" = type opaque
-%"struct.hash_map<long, rust_task *>::map_entry" = type opaque
-%"struct.memory_region::alloc_header" = type { i8 }
-%struct.randctx = type { i32, [256 x i32], [256 x i32], i32, i32, i32 }
-%struct.registers_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i16, i16, i16, i16, i16, i16, i32, i32 }
-%struct.rust_env = type { i32, i32, i8*, i8, i8, i8* }
-%struct.rust_obstack_chunk = type { %struct.rust_obstack_chunk*, i32, i32, i32, [0 x i8] }
-%struct.rust_scheduler = type { %class.rust_thread, i32, i32, %class.rust_log, i32, %class.rust_srv*, i8*, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_crate_cache, %struct.randctx, %class.rust_kernel*, i32, i32, %class.lock_and_signal, i32, %struct._opaque_pthread_attr_t, %struct.rust_env*, %class.context }
-%struct.rust_shape_tables = type { i8*, i8* }
-%struct.rust_task = type { %struct.rust_task_user, i32, %class.context, %struct.rust_obstack_chunk*, i32, %struct.rust_scheduler*, %class.rust_crate_cache*, %class.rust_kernel*, i8*, %class.rust_task_list*, %"struct.memory_region::alloc_header"*, i8*, %struct.rust_task*, i32, i32, %class.timer, i32*, %class.array_list, i32, i32, %class.memory_region, %"class.rust_task::wakeup_callback"*, i8, i8, i8, %class.lock_and_signal, %class.hash_map, %class.rust_obstack, %"class.std::map", i32, %"class.debug::task_debug_info" }
-%struct.rust_task_user = type { i32, i32, %struct.chan_handle, i32 }
+%struct.UT_hash_bucket = type { %struct.UT_hash_handle*, i32, i32 }
 %struct.rust_vec = type { i32, i32, [0 x i8] }
-%"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" = type { %"struct.memory_region::alloc_header", %"struct.std::_Rb_tree_node_base", i32 }
+%class.rust_port = type { i32, i32, %class.rust_kernel*, %struct.rust_task*, i32, %class.circular_buffer, %class.lock_and_signal }
+%class.rust_kernel = type { i32 (...)**, %class.memory_region, %class.rust_log, %class.rust_srv*, %class.lock_and_signal, %class.array_list.0, %struct.randctx, i32, %class.hash_map, i32, i32, i32, %struct.rust_env* }
+%class.memory_region = type { i32 (...)**, %class.rust_srv*, %class.memory_region*, i32, %class.array_list, i8, i8, %class.lock_and_signal }
+%class.rust_srv = type { i32 (...)**, %struct.rust_env*, %class.memory_region }
+%struct.rust_env = type { i32, i32, i8*, i8, i8, i8* }
+%class.array_list = type { i32, %"struct.memory_region::alloc_header"**, i32 }
+%"struct.memory_region::alloc_header" = type { i8 }
+%class.lock_and_signal = type { i32 (...)**, %union.pthread_cond_t, %union.pthread_mutex_t, i32, i8, i8 }
+%union.pthread_cond_t = type { %struct.anon, [4 x i8] }
+%struct.anon = type { i32, i32, i64, i64, i64, i8*, i32, i32 }
+%union.pthread_mutex_t = type { %"struct.<anonymous union>::__pthread_mutex_s" }
+%"struct.<anonymous union>::__pthread_mutex_s" = type { i32, i32, i32, i32, i32, %union.anon }
+%union.anon = type { i32 }
+%class.rust_log = type { i32 (...)**, %class.rust_srv*, %struct.rust_scheduler*, i8 }
+%struct.rust_scheduler = type { %class.rust_thread, i32, i32, %class.rust_log, i32, %class.rust_srv*, i8*, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_crate_cache, %struct.randctx, %class.rust_kernel*, i32, i32, %class.lock_and_signal, i32, %union.pthread_attr_t, %struct.rust_env*, %class.context }
+%class.rust_thread = type { i32 (...)**, i8, i32 }
+%class.rust_task_list = type { %class.indexed_list, %struct.rust_scheduler*, i8* }
+%class.indexed_list = type { i32 (...)**, %class.array_list.2 }
+%class.array_list.2 = type { i32, %struct.rust_task**, i32 }
+%struct.rust_task = type { %struct.rust_task_user, i32, %class.context, %struct.stk_seg*, i32, %struct.rust_scheduler*, %class.rust_crate_cache*, %class.rust_kernel*, i8*, %class.rust_task_list*, %struct.rust_cond*, i8*, %struct.rust_task*, i32, i32, %class.timer, i32*, i32, i32, %class.memory_region, %"class.rust_task::wakeup_callback"*, i8, i8, i8, %class.lock_and_signal, %class.hash_map.4, %class.rust_obstack, %"class.std::map", i32, %"class.debug::task_debug_info" }
+%struct.rust_task_user = type { i32, i32, %struct.chan_handle, i32 }
+%struct.chan_handle = type { i32, i32 }
+%class.context = type { %struct.registers_t, %class.context* }
+%struct.registers_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i16, i16, i16, i16, i16, i16, i32, i32 }
+%struct.stk_seg = type { %struct.stk_seg*, i32, i32, i32, [0 x i8] }
+%class.rust_crate_cache = type { %struct.type_desc*, %struct.rust_scheduler*, i32 }
+%struct.rust_cond = type { i8 }
+%class.timer = type { i32 (...)**, i64, i64 }
+%"class.rust_task::wakeup_callback" = type { i32 (...)** }
+%class.hash_map.4 = type { %"struct.hash_map<int, rust_port *>::map_entry"* }
+%"struct.hash_map<int, rust_port *>::map_entry" = type opaque
+%class.rust_obstack = type { %struct.rust_obstack_chunk*, %struct.rust_task* }
+%struct.rust_obstack_chunk = type { %struct.rust_obstack_chunk*, i32, i32, i32, [0 x i8] }
+%"class.std::map" = type { %"class.std::_Rb_tree" }
+%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" }
+%"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" = type { %"struct.std::less", %"struct.std::_Rb_tree_node_base", i32 }
+%"struct.std::less" = type { i8 }
 %"struct.std::_Rb_tree_node_base" = type { i32, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"* }
-%struct.type_desc = type { %struct.type_desc**, i32, i32, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i8*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i32, void (i8*, i8*, %struct.type_desc**, i8*, i8*, i8)*, i8*, %struct.rust_shape_tables*, i32, i32, %struct.UT_hash_handle, i32, [0 x %struct.type_desc*] }
+%"class.debug::task_debug_info" = type { %"class.std::map.5" }
+%"class.std::map.5" = type { %"class.std::_Rb_tree.6" }
+%"class.std::_Rb_tree.6" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, std::basic_string<char> >, std::_Select1st<std::pair<void *const, std::basic_string<char> > >, std::less<void *>, std::allocator<std::pair<void *const, std::basic_string<char> > > >::_Rb_tree_impl" }
+%"struct.std::_Rb_tree<void *, std::pair<void *const, std::basic_string<char> >, std::_Select1st<std::pair<void *const, std::basic_string<char> > >, std::less<void *>, std::allocator<std::pair<void *const, std::basic_string<char> > > >::_Rb_tree_impl" = type { %"struct.std::less", %"struct.std::_Rb_tree_node_base", i32 }
+%struct.randctx = type { i32, [256 x i32], [256 x i32], i32, i32, i32 }
+%union.pthread_attr_t = type { i32, [32 x i8] }
+%class.array_list.0 = type { i32, %struct.rust_scheduler**, i32 }
+%class.hash_map = type { %"struct.hash_map<int, rust_task *>::map_entry"* }
+%"struct.hash_map<int, rust_task *>::map_entry" = type opaque
+%class.circular_buffer = type { %class.rust_kernel*, i32, i32, i32, i32, i8* }
 
-@.str = private unnamed_addr constant [42 x i8] c"attempt to cast values of differing sizes\00"
-@.str1 = private unnamed_addr constant [33 x i8] c"src/rt/intrinsics/intrinsics.cpp\00"
+@.str = private unnamed_addr constant [42 x i8] c"attempt to cast values of differing sizes\00", align 1
+@.str1 = private unnamed_addr constant [33 x i8] c"src/rt/intrinsics/intrinsics.cpp\00", align 1
 
-define void @rust_intrinsic_2_vec_len(i32* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
-  %1 = load %struct.rust_vec** %vp, align 4
+define void @rust_intrinsic_vec_len(i32* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
+  %1 = load %struct.rust_vec** %vp, align 4, !tbaa !0
   %2 = getelementptr inbounds %struct.rust_vec* %1, i32 0, i32 0
-  %3 = load i32* %2, align 4
+  %3 = load i32* %2, align 4, !tbaa !3
   %4 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
-  %5 = load i32* %4, align 4
+  %5 = load i32* %4, align 4, !tbaa !3
   %6 = udiv i32 %3, %5
-  store i32 %6, i32* %retptr, align 4
+  store i32 %6, i32* %retptr, align 4, !tbaa !3
   ret void
 }
 
-define void @rust_intrinsic_2_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i32 %count) nounwind {
+define void @rust_intrinsic_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i32 %count) nounwind {
   %1 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
-  %2 = load i32* %1, align 4
+  %2 = load i32* %1, align 4, !tbaa !3
   %3 = mul i32 %2, %count
   %4 = getelementptr inbounds i8* %ptr, i32 %3
-  store i8* %4, i8** %retptr, align 4
+  store i8* %4, i8** %retptr, align 4, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_2_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
+define void @rust_intrinsic_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
   %1 = getelementptr inbounds %struct.type_desc* %t1, i32 0, i32 1
-  %2 = load i32* %1, align 4
+  %2 = load i32* %1, align 4, !tbaa !3
   %3 = getelementptr inbounds %struct.type_desc* %t2, i32 0, i32 1
-  %4 = load i32* %3, align 4
+  %4 = load i32* %3, align 4, !tbaa !3
   %5 = icmp eq i32 %2, %4
   br i1 %5, label %7, label %6
 
@@ -97,8 +104,74 @@ declare void @upcall_fail(i8*, i8*, i32)
 
 declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
 
+define void @rust_intrinsic_addr_of(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind {
+  store i8* %valptr, i8** %retptr, align 4, !tbaa !0
+  ret void
+}
+
+define void @rust_intrinsic_recv(i8** %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %class.rust_port* %port) {
+  %1 = bitcast i8** %retptr to i32*
+  tail call void @port_recv(i32* %1, %class.rust_port* %port)
+  ret void
+}
+
+declare void @port_recv(i32*, %class.rust_port*)
+
+define void @rust_intrinsic_get_type_desc(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* %ty) nounwind {
+  %ty.c = bitcast %struct.type_desc* %ty to i8*
+  store i8* %ty.c, i8** %retptr, align 4, !tbaa !0
+  ret void
+}
+
+define void @rust_intrinsic_task_sleep(i8** nocapture %retptr, i8* nocapture %env, i32 %time_in_us) {
+  tail call void @rust_task_sleep(i32 %time_in_us)
+  ret void
+}
+
+declare void @rust_task_sleep(i32)
+
+define void @rust_intrinsic_2_vec_len(i32* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
+  %1 = load %struct.rust_vec** %vp, align 4, !tbaa !0
+  %2 = getelementptr inbounds %struct.rust_vec* %1, i32 0, i32 0
+  %3 = load i32* %2, align 4, !tbaa !3
+  %4 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
+  %5 = load i32* %4, align 4, !tbaa !3
+  %6 = udiv i32 %3, %5
+  store i32 %6, i32* %retptr, align 4, !tbaa !3
+  ret void
+}
+
+define void @rust_intrinsic_2_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i32 %count) nounwind {
+  %1 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
+  %2 = load i32* %1, align 4, !tbaa !3
+  %3 = mul i32 %2, %count
+  %4 = getelementptr inbounds i8* %ptr, i32 %3
+  store i8* %4, i8** %retptr, align 4, !tbaa !0
+  ret void
+}
+
+define void @rust_intrinsic_2_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
+  %1 = getelementptr inbounds %struct.type_desc* %t1, i32 0, i32 1
+  %2 = load i32* %1, align 4, !tbaa !3
+  %3 = getelementptr inbounds %struct.type_desc* %t2, i32 0, i32 1
+  %4 = load i32* %3, align 4, !tbaa !3
+  %5 = icmp eq i32 %2, %4
+  br i1 %5, label %7, label %6
+
+; <label>:6                                       ; preds = %0
+  tail call void @upcall_fail(i8* getelementptr inbounds ([42 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([33 x i8]* @.str1, i32 0, i32 0), i32 112)
+  br label %8
+
+; <label>:7                                       ; preds = %0
+  tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %retptr, i8* %src, i32 %2, i32 1, i1 false)
+  br label %8
+
+; <label>:8                                       ; preds = %7, %6
+  ret void
+}
+
 define void @rust_intrinsic_2_addr_of(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind {
-  store i8* %valptr, i8** %retptr, align 4
+  store i8* %valptr, i8** %retptr, align 4, !tbaa !0
   ret void
 }
 
@@ -108,11 +181,9 @@ define void @rust_intrinsic_2_recv(i8** %retptr, i8* nocapture %env, %struct.typ
   ret void
 }
 
-declare void @port_recv(i32*, %class.rust_port*)
-
 define void @rust_intrinsic_2_get_type_desc(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* %ty) nounwind {
   %ty.c = bitcast %struct.type_desc* %ty to i8*
-  store i8* %ty.c, i8** %retptr, align 4
+  store i8* %ty.c, i8** %retptr, align 4, !tbaa !0
   ret void
 }
 
@@ -121,66 +192,7 @@ define void @rust_intrinsic_2_task_sleep(i8** nocapture %retptr, i8* nocapture %
   ret void
 }
 
-declare void @rust_task_sleep(i32)
-
-define void @rust_intrinsic_vec_len(i8* nocapture %task, i32* nocapture %retptr, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
-  %1 = load %struct.rust_vec** %vp, align 4
-  %2 = getelementptr inbounds %struct.rust_vec* %1, i32 0, i32 0
-  %3 = load i32* %2, align 4
-  %4 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
-  %5 = load i32* %4, align 4
-  %6 = udiv i32 %3, %5
-  store i32 %6, i32* %retptr, align 4
-  ret void
-}
-
-define void @rust_intrinsic_ptr_offset(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* nocapture %ty, i8* %ptr, i32 %count) nounwind {
-  %1 = getelementptr inbounds %struct.type_desc* %ty, i32 0, i32 1
-  %2 = load i32* %1, align 4
-  %3 = mul i32 %2, %count
-  %4 = getelementptr inbounds i8* %ptr, i32 %3
-  store i8* %4, i8** %retptr, align 4
-  ret void
-}
-
-define void @rust_intrinsic_cast(i8* nocapture %task, i8* nocapture %retptr, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
-  %1 = getelementptr inbounds %struct.type_desc* %t1, i32 0, i32 1
-  %2 = load i32* %1, align 4
-  %3 = getelementptr inbounds %struct.type_desc* %t2, i32 0, i32 1
-  %4 = load i32* %3, align 4
-  %5 = icmp eq i32 %2, %4
-  br i1 %5, label %7, label %6
-
-; <label>:6                                       ; preds = %0
-  tail call void @upcall_fail(i8* getelementptr inbounds ([42 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([33 x i8]* @.str1, i32 0, i32 0), i32 46)
-  br label %rust_intrinsic_2_cast.exit
-
-; <label>:7                                       ; preds = %0
-  tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %retptr, i8* %src, i32 %2, i32 1, i1 false)
-  br label %rust_intrinsic_2_cast.exit
-
-rust_intrinsic_2_cast.exit:                       ; preds = %6, %7
-  ret void
-}
-
-define void @rust_intrinsic_addr_of(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind {
-  store i8* %valptr, i8** %retptr, align 4
-  ret void
-}
-
-define void @rust_intrinsic_recv(i8* nocapture %task, i8** %retptr, %struct.type_desc* nocapture %ty, %class.rust_port* %port) {
-  %1 = bitcast i8** %retptr to i32*
-  tail call void @port_recv(i32* %1, %class.rust_port* %port)
-  ret void
-}
-
-define void @rust_intrinsic_get_type_desc(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* %ty) nounwind {
-  %ty.c.i = bitcast %struct.type_desc* %ty to i8*
-  store i8* %ty.c.i, i8** %retptr, align 4
-  ret void
-}
-
-define void @rust_intrinsic_task_sleep(i8* nocapture %task, i8** nocapture %retptr, i32 %time_in_us) {
-  tail call void @rust_task_sleep(i32 %time_in_us)
-  ret void
-}
+!0 = metadata !{metadata !"any pointer", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!3 = metadata !{metadata !"int", metadata !1}
diff --git a/src/rt/intrinsics/intrinsics.x86_64.ll.in b/src/rt/intrinsics/intrinsics.x86_64.ll.in
index 0fa33aa2b2b..17921e051fc 100644
--- a/src/rt/intrinsics/intrinsics.x86_64.ll.in
+++ b/src/rt/intrinsics/intrinsics.x86_64.ll.in
@@ -1,83 +1,90 @@
 ; ModuleID = 'src/rt/intrinsics/intrinsics.cpp'
-; target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+; target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
 target triple = "@CFG_TARGET_TRIPLE@"
 
-%0 = type { i64, %"struct.memory_region::alloc_header"**, i64 }
-%1 = type { i64, %struct.rust_scheduler**, i64 }
-%2 = type { %"struct.hash_map<long, rust_task *>::map_entry"* }
-%class.array_list = type { i64, %struct.rust_task**, i64 }
-%class.circular_buffer = type { %class.rust_kernel*, i64, i64, i64, i64, i8* }
-%class.context = type { %struct.registers_t, %class.context* }
-%"class.debug::task_debug_info" = type { %"class.std::map" }
-%class.hash_map = type { %"struct.hash_map<long, rust_port *>::map_entry"* }
-%class.indexed_list = type { i32 (...)**, %class.array_list }
-%class.lock_and_signal = type { i32 (...)**, %struct._opaque_pthread_cond_t, %struct._opaque_pthread_attr_t, %struct._opaque_pthread_t*, i8, i8 }
-%class.memory_region = type { i32 (...)**, %class.rust_srv*, %class.memory_region*, i32, %0, i8, i8, %class.lock_and_signal }
-%class.rust_crate_cache = type { %struct.type_desc*, %struct.rust_scheduler*, i64 }
-%class.rust_kernel = type { i32 (...)**, %class.memory_region, %class.rust_log, %class.rust_srv*, %class.lock_and_signal, %1, %struct.randctx, i64, %2, i64, i32, i32, %struct.rust_env* }
-%class.rust_log = type { i32 (...)**, %class.rust_srv*, %struct.rust_scheduler*, i8 }
-%class.rust_obstack = type { %struct.rust_obstack_chunk*, %struct.rust_task* }
-%class.rust_port = type { i64, i64, %class.rust_kernel*, %struct.rust_task*, i64, %class.circular_buffer, %class.lock_and_signal }
-%class.rust_srv = type { i32 (...)**, %struct.rust_env*, %class.memory_region }
-%"class.rust_task::wakeup_callback" = type { i32 (...)** }
-%class.rust_task_list = type { %class.indexed_list, %struct.rust_scheduler*, i8* }
-%class.rust_thread = type { i32 (...)**, i8, %struct._opaque_pthread_t* }
-%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" }
-%"class.std::map" = type { %"class.std::_Rb_tree" }
-%class.timer = type { i32 (...)**, i64, i64 }
-%struct.UT_hash_bucket = type { %struct.UT_hash_handle*, i32, i32 }
+%struct.type_desc = type { %struct.type_desc**, i64, i64, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i8*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i64, void (i8*, i8*, %struct.type_desc**, i8*, i8*, i8)*, i8*, %struct.rust_shape_tables*, i64, i64, %struct.UT_hash_handle, i64, [0 x %struct.type_desc*] }
+%struct.rust_shape_tables = type { i8*, i8* }
 %struct.UT_hash_handle = type { %struct.UT_hash_table*, i8*, i8*, %struct.UT_hash_handle*, %struct.UT_hash_handle*, i8*, i32, i32 }
 %struct.UT_hash_table = type { %struct.UT_hash_bucket*, i32, i32, i32, %struct.UT_hash_handle*, i64, i32, i32, i32, i32 }
-%struct.__darwin_pthread_handler_rec = type { void (i8*)*, i8*, %struct.__darwin_pthread_handler_rec* }
-%struct._opaque_pthread_attr_t = type { i64, [56 x i8] }
-%struct._opaque_pthread_cond_t = type { i64, [40 x i8] }
-%struct._opaque_pthread_t = type { i64, %struct.__darwin_pthread_handler_rec*, [1168 x i8] }
-%struct.chan_handle = type { i64, i64 }
-%"struct.hash_map<long, rust_port *>::map_entry" = type opaque
-%"struct.hash_map<long, rust_task *>::map_entry" = type opaque
-%"struct.memory_region::alloc_header" = type { i8 }
-%struct.randctx = type { i64, [256 x i64], [256 x i64], i64, i64, i64 }
-%struct.registers_t = type { [22 x i64] }
-%struct.rust_env = type { i64, i64, i8*, i8, i8, i8* }
-%struct.rust_obstack_chunk = type { %struct.rust_obstack_chunk*, i64, i64, i64, [0 x i8] }
-%struct.rust_scheduler = type { %class.rust_thread, i64, i64, %class.rust_log, i32, %class.rust_srv*, i8*, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_crate_cache, %struct.randctx, %class.rust_kernel*, i32, i32, %class.lock_and_signal, i64, %struct._opaque_pthread_attr_t, %struct.rust_env*, %class.context }
-%struct.rust_shape_tables = type { i8*, i8* }
-%struct.rust_task = type { %struct.rust_task_user, i64, %class.context, %struct.stk_seg*, i64, %struct.rust_scheduler*, %class.rust_crate_cache*, %class.rust_kernel*, i8*, %class.rust_task_list*, %"struct.memory_region::alloc_header"*, i8*, %struct.rust_task*, i32, i64, %class.timer, i64*, %class.array_list, i32, i32, %class.memory_region, %"class.rust_task::wakeup_callback"*, i8, i8, i8, %class.lock_and_signal, %class.hash_map, %class.rust_obstack, %"class.std::map", i32, %"class.debug::task_debug_info" }
-%struct.rust_task_user = type { i64, i64, %struct.chan_handle, i64 }
+%struct.UT_hash_bucket = type { %struct.UT_hash_handle*, i32, i32 }
 %struct.rust_vec = type { i64, i64, [0 x i8] }
-%"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" = type { %"struct.memory_region::alloc_header", %"struct.std::_Rb_tree_node_base", i64 }
-%"struct.std::_Rb_tree_node_base" = type { i32, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"* }
+%class.rust_port = type { i64, i64, %class.rust_kernel*, %struct.rust_task*, i64, %class.circular_buffer, %class.lock_and_signal }
+%class.rust_kernel = type { i32 (...)**, %class.memory_region, %class.rust_log, %class.rust_srv*, %class.lock_and_signal, %class.array_list.0, %struct.randctx, i64, %class.hash_map, i64, i32, i32, %struct.rust_env* }
+%class.memory_region = type { i32 (...)**, %class.rust_srv*, %class.memory_region*, i32, %class.array_list, i8, i8, %class.lock_and_signal }
+%class.rust_srv = type { i32 (...)**, %struct.rust_env*, %class.memory_region }
+%struct.rust_env = type { i64, i64, i8*, i8, i8, i8* }
+%class.array_list = type { i64, %"struct.memory_region::alloc_header"**, i64 }
+%"struct.memory_region::alloc_header" = type { i8 }
+%class.lock_and_signal = type { i32 (...)**, %union.pthread_cond_t, %union.pthread_mutex_t, i64, i8, i8 }
+%union.pthread_cond_t = type { %struct.anon }
+%struct.anon = type { i32, i32, i64, i64, i64, i8*, i32, i32 }
+%union.pthread_mutex_t = type { %"struct.<anonymous union>::__pthread_mutex_s" }
+%"struct.<anonymous union>::__pthread_mutex_s" = type { i32, i32, i32, i32, i32, i32, %struct.__pthread_internal_list }
+%struct.__pthread_internal_list = type { %struct.__pthread_internal_list*, %struct.__pthread_internal_list* }
+%class.rust_log = type { i32 (...)**, %class.rust_srv*, %struct.rust_scheduler*, i8 }
+%struct.rust_scheduler = type { %class.rust_thread, i64, i64, %class.rust_log, i32, %class.rust_srv*, i8*, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_task_list, %class.rust_crate_cache, %struct.randctx, %class.rust_kernel*, i32, i32, %class.lock_and_signal, i64, %union.pthread_attr_t, %struct.rust_env*, %class.context }
+%class.rust_thread = type { i32 (...)**, i8, i64 }
+%class.rust_task_list = type { %class.indexed_list, %struct.rust_scheduler*, i8* }
+%class.indexed_list = type { i32 (...)**, %class.array_list.2 }
+%class.array_list.2 = type { i64, %struct.rust_task**, i64 }
+%struct.rust_task = type { %struct.rust_task_user, i64, %class.context, %struct.stk_seg*, i64, %struct.rust_scheduler*, %class.rust_crate_cache*, %class.rust_kernel*, i8*, %class.rust_task_list*, %struct.rust_cond*, i8*, %struct.rust_task*, i32, i64, %class.timer, i64*, i32, i32, %class.memory_region, %"class.rust_task::wakeup_callback"*, i8, i8, i8, %class.lock_and_signal, %class.hash_map.4, %class.rust_obstack, %"class.std::map", i32, %"class.debug::task_debug_info" }
+%struct.rust_task_user = type { i64, i64, %struct.chan_handle, i64 }
+%struct.chan_handle = type { i64, i64 }
+%class.context = type { %struct.registers_t, %class.context* }
+%struct.registers_t = type { [22 x i64] }
 %struct.stk_seg = type { %struct.stk_seg*, i64, i32, [0 x i8] }
-%struct.type_desc = type { %struct.type_desc**, i64, i64, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i8*, void (i8*, i8*, %struct.type_desc**, i8*)*, void (i8*, i8*, %struct.type_desc**, i8*)*, i64, void (i8*, i8*, %struct.type_desc**, i8*, i8*, i8)*, i8*, %struct.rust_shape_tables*, i64, i64, %struct.UT_hash_handle, i64, [0 x %struct.type_desc*] }
+%class.rust_crate_cache = type { %struct.type_desc*, %struct.rust_scheduler*, i64 }
+%struct.rust_cond = type { i8 }
+%class.timer = type { i32 (...)**, i64, i64 }
+%"class.rust_task::wakeup_callback" = type { i32 (...)** }
+%class.hash_map.4 = type { %"struct.hash_map<long, rust_port *>::map_entry"* }
+%"struct.hash_map<long, rust_port *>::map_entry" = type opaque
+%class.rust_obstack = type { %struct.rust_obstack_chunk*, %struct.rust_task* }
+%struct.rust_obstack_chunk = type { %struct.rust_obstack_chunk*, i64, i64, i64, [0 x i8] }
+%"class.std::map" = type { %"class.std::_Rb_tree" }
+%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" }
+%"struct.std::_Rb_tree<void *, std::pair<void *const, const type_desc *>, std::_Select1st<std::pair<void *const, const type_desc *> >, std::less<void *>, std::allocator<std::pair<void *const, const type_desc *> > >::_Rb_tree_impl" = type { %"struct.std::less", %"struct.std::_Rb_tree_node_base", i64 }
+%"struct.std::less" = type { i8 }
+%"struct.std::_Rb_tree_node_base" = type { i32, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"* }
+%"class.debug::task_debug_info" = type { %"class.std::map.5" }
+%"class.std::map.5" = type { %"class.std::_Rb_tree.6" }
+%"class.std::_Rb_tree.6" = type { %"struct.std::_Rb_tree<void *, std::pair<void *const, std::basic_string<char> >, std::_Select1st<std::pair<void *const, std::basic_string<char> > >, std::less<void *>, std::allocator<std::pair<void *const, std::basic_string<char> > > >::_Rb_tree_impl" }
+%"struct.std::_Rb_tree<void *, std::pair<void *const, std::basic_string<char> >, std::_Select1st<std::pair<void *const, std::basic_string<char> > >, std::less<void *>, std::allocator<std::pair<void *const, std::basic_string<char> > > >::_Rb_tree_impl" = type { %"struct.std::less", %"struct.std::_Rb_tree_node_base", i64 }
+%struct.randctx = type { i64, [256 x i64], [256 x i64], i64, i64, i64 }
+%union.pthread_attr_t = type { i64, [48 x i8] }
+%class.array_list.0 = type { i64, %struct.rust_scheduler**, i64 }
+%class.hash_map = type { %"struct.hash_map<long, rust_task *>::map_entry"* }
+%"struct.hash_map<long, rust_task *>::map_entry" = type opaque
+%class.circular_buffer = type { %class.rust_kernel*, i64, i64, i64, i64, i8* }
 
-@.str = private unnamed_addr constant [42 x i8] c"attempt to cast values of differing sizes\00"
-@.str1 = private unnamed_addr constant [33 x i8] c"src/rt/intrinsics/intrinsics.cpp\00"
+@.str = private unnamed_addr constant [42 x i8] c"attempt to cast values of differing sizes\00", align 1
+@.str1 = private unnamed_addr constant [33 x i8] c"src/rt/intrinsics/intrinsics.cpp\00", align 1
 
-define void @rust_intrinsic_2_vec_len(i64* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
-  %1 = load %struct.rust_vec** %vp, align 8
+define void @rust_intrinsic_vec_len(i64* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind uwtable {
+  %1 = load %struct.rust_vec** %vp, align 8, !tbaa !0
   %2 = getelementptr inbounds %struct.rust_vec* %1, i64 0, i32 0
-  %3 = load i64* %2, align 8
+  %3 = load i64* %2, align 8, !tbaa !3
   %4 = getelementptr inbounds %struct.type_desc* %ty, i64 0, i32 1
-  %5 = load i64* %4, align 8
+  %5 = load i64* %4, align 8, !tbaa !3
   %6 = udiv i64 %3, %5
-  store i64 %6, i64* %retptr, align 8
+  store i64 %6, i64* %retptr, align 8, !tbaa !3
   ret void
 }
 
-define void @rust_intrinsic_2_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i64 %count) nounwind {
+define void @rust_intrinsic_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i64 %count) nounwind uwtable {
   %1 = getelementptr inbounds %struct.type_desc* %ty, i64 0, i32 1
-  %2 = load i64* %1, align 8
+  %2 = load i64* %1, align 8, !tbaa !3
   %3 = mul i64 %2, %count
   %4 = getelementptr inbounds i8* %ptr, i64 %3
-  store i8* %4, i8** %retptr, align 8
+  store i8* %4, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_2_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
+define void @rust_intrinsic_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) uwtable {
   %1 = getelementptr inbounds %struct.type_desc* %t1, i64 0, i32 1
-  %2 = load i64* %1, align 8
+  %2 = load i64* %1, align 8, !tbaa !3
   %3 = getelementptr inbounds %struct.type_desc* %t2, i64 0, i32 1
-  %4 = load i64* %3, align 8
+  %4 = load i64* %3, align 8, !tbaa !3
   %5 = icmp eq i64 %2, %4
   br i1 %5, label %7, label %6
 
@@ -97,12 +104,12 @@ declare void @upcall_fail(i8*, i8*, i64)
 
 declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
 
-define void @rust_intrinsic_2_addr_of(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind {
-  store i8* %valptr, i8** %retptr, align 8
+define void @rust_intrinsic_addr_of(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind uwtable {
+  store i8* %valptr, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_2_recv(i8** %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %class.rust_port* %port) {
+define void @rust_intrinsic_recv(i8** %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %class.rust_port* %port) uwtable {
   %1 = bitcast i8** %retptr to i64*
   tail call void @port_recv(i64* %1, %class.rust_port* %port)
   ret void
@@ -110,77 +117,82 @@ define void @rust_intrinsic_2_recv(i8** %retptr, i8* nocapture %env, %struct.typ
 
 declare void @port_recv(i64*, %class.rust_port*)
 
-define void @rust_intrinsic_2_get_type_desc(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* %ty) nounwind {
+define void @rust_intrinsic_get_type_desc(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* %ty) nounwind uwtable {
   %ty.c = bitcast %struct.type_desc* %ty to i8*
-  store i8* %ty.c, i8** %retptr, align 8
+  store i8* %ty.c, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_2_task_sleep(i8** nocapture %retptr, i8* nocapture %env, i64 %time_in_us) {
+define void @rust_intrinsic_task_sleep(i8** nocapture %retptr, i8* nocapture %env, i64 %time_in_us) uwtable {
   tail call void @rust_task_sleep(i64 %time_in_us)
   ret void
 }
 
 declare void @rust_task_sleep(i64)
 
-define void @rust_intrinsic_vec_len(i8* nocapture %task, i64* nocapture %retptr, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind {
-  %1 = load %struct.rust_vec** %vp, align 8
+define void @rust_intrinsic_2_vec_len(i64* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %struct.rust_vec** nocapture %vp) nounwind uwtable {
+  %1 = load %struct.rust_vec** %vp, align 8, !tbaa !0
   %2 = getelementptr inbounds %struct.rust_vec* %1, i64 0, i32 0
-  %3 = load i64* %2, align 8
+  %3 = load i64* %2, align 8, !tbaa !3
   %4 = getelementptr inbounds %struct.type_desc* %ty, i64 0, i32 1
-  %5 = load i64* %4, align 8
+  %5 = load i64* %4, align 8, !tbaa !3
   %6 = udiv i64 %3, %5
-  store i64 %6, i64* %retptr, align 8
+  store i64 %6, i64* %retptr, align 8, !tbaa !3
   ret void
 }
 
-define void @rust_intrinsic_ptr_offset(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* nocapture %ty, i8* %ptr, i64 %count) nounwind {
+define void @rust_intrinsic_2_ptr_offset(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %ptr, i64 %count) nounwind uwtable {
   %1 = getelementptr inbounds %struct.type_desc* %ty, i64 0, i32 1
-  %2 = load i64* %1, align 8
+  %2 = load i64* %1, align 8, !tbaa !3
   %3 = mul i64 %2, %count
   %4 = getelementptr inbounds i8* %ptr, i64 %3
-  store i8* %4, i8** %retptr, align 8
+  store i8* %4, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_cast(i8* nocapture %task, i8* nocapture %retptr, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) {
+define void @rust_intrinsic_2_cast(i8* nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %t1, %struct.type_desc* nocapture %t2, i8* nocapture %src) uwtable {
   %1 = getelementptr inbounds %struct.type_desc* %t1, i64 0, i32 1
-  %2 = load i64* %1, align 8
+  %2 = load i64* %1, align 8, !tbaa !3
   %3 = getelementptr inbounds %struct.type_desc* %t2, i64 0, i32 1
-  %4 = load i64* %3, align 8
+  %4 = load i64* %3, align 8, !tbaa !3
   %5 = icmp eq i64 %2, %4
   br i1 %5, label %7, label %6
 
 ; <label>:6                                       ; preds = %0
-  tail call void @upcall_fail(i8* getelementptr inbounds ([42 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([33 x i8]* @.str1, i64 0, i64 0), i64 46)
-  br label %rust_intrinsic_2_cast.exit
+  tail call void @upcall_fail(i8* getelementptr inbounds ([42 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([33 x i8]* @.str1, i64 0, i64 0), i64 112)
+  br label %8
 
 ; <label>:7                                       ; preds = %0
   tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %retptr, i8* %src, i64 %2, i32 1, i1 false)
-  br label %rust_intrinsic_2_cast.exit
+  br label %8
 
-rust_intrinsic_2_cast.exit:                       ; preds = %6, %7
+; <label>:8                                       ; preds = %7, %6
   ret void
 }
 
-define void @rust_intrinsic_addr_of(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind {
-  store i8* %valptr, i8** %retptr, align 8
+define void @rust_intrinsic_2_addr_of(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, i8* %valptr) nounwind uwtable {
+  store i8* %valptr, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_recv(i8* nocapture %task, i8** %retptr, %struct.type_desc* nocapture %ty, %class.rust_port* %port) {
+define void @rust_intrinsic_2_recv(i8** %retptr, i8* nocapture %env, %struct.type_desc* nocapture %ty, %class.rust_port* %port) uwtable {
   %1 = bitcast i8** %retptr to i64*
   tail call void @port_recv(i64* %1, %class.rust_port* %port)
   ret void
 }
 
-define void @rust_intrinsic_get_type_desc(i8* nocapture %task, i8** nocapture %retptr, %struct.type_desc* %ty) nounwind {
-  %ty.c.i = bitcast %struct.type_desc* %ty to i8*
-  store i8* %ty.c.i, i8** %retptr, align 8
+define void @rust_intrinsic_2_get_type_desc(i8** nocapture %retptr, i8* nocapture %env, %struct.type_desc* %ty) nounwind uwtable {
+  %ty.c = bitcast %struct.type_desc* %ty to i8*
+  store i8* %ty.c, i8** %retptr, align 8, !tbaa !0
   ret void
 }
 
-define void @rust_intrinsic_task_sleep(i8* nocapture %task, i8** nocapture %retptr, i64 %time_in_us) {
+define void @rust_intrinsic_2_task_sleep(i8** nocapture %retptr, i8* nocapture %env, i64 %time_in_us) uwtable {
   tail call void @rust_task_sleep(i64 %time_in_us)
   ret void
 }
+
+!0 = metadata !{metadata !"any pointer", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!3 = metadata !{metadata !"long", metadata !1}