56 lines
1.5 KiB
Rust
56 lines
1.5 KiB
Rust
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// compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(core_intrinsics)]
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use std::intrinsics;
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// CHECK-LABEL: @volatile_copy_memory
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#[no_mangle]
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pub unsafe fn volatile_copy_memory(a: *mut u8, b: *const u8) {
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// CHECK: llvm.memmove.p0i8.p0i8.{{\w*(.*true)}}
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intrinsics::volatile_copy_memory(a, b, 1)
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}
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// CHECK-LABEL: @volatile_copy_nonoverlapping_memory
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#[no_mangle]
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pub unsafe fn volatile_copy_nonoverlapping_memory(a: *mut u8, b: *const u8) {
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// CHECK: llvm.memcpy.p0i8.p0i8.{{\w*(.*true)}}
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intrinsics::volatile_copy_nonoverlapping_memory(a, b, 1)
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}
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// CHECK-LABEL: @volatile_set_memory
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#[no_mangle]
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pub unsafe fn volatile_set_memory(a: *mut u8, b: u8) {
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// CHECK: llvm.memset.p0i8.{{\w*(.*true)}}
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intrinsics::volatile_set_memory(a, b, 1)
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}
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// CHECK-LABEL: @volatile_load
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#[no_mangle]
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pub unsafe fn volatile_load(a: *const u8) -> u8 {
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// CHECK: load volatile
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intrinsics::volatile_load(a)
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}
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// CHECK-LABEL: @volatile_store
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#[no_mangle]
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pub unsafe fn volatile_store(a: *mut u8, b: u8) {
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// CHECK: store volatile
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intrinsics::volatile_store(a, b)
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}
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// CHECK-LABEL: @unaligned_volatile_load
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#[no_mangle]
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pub unsafe fn unaligned_volatile_load(a: *const u8) -> u8 {
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// CHECK: load volatile
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intrinsics::unaligned_volatile_load(a)
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}
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// CHECK-LABEL: @unaligned_volatile_store
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#[no_mangle]
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pub unsafe fn unaligned_volatile_store(a: *mut u8, b: u8) {
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// CHECK: store volatile
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intrinsics::unaligned_volatile_store(a, b)
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}
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