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trans: Make partitioning available in LocalCrateContext.

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This commit is contained in:
Michael Woerister 2016-05-06 15:21:17 -04:00
parent bebcb285ad
commit a8e34dfc29
1 changed files with 21 additions and 14 deletions
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35
src/librustc_trans/context.rs
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@ -96,6 +96,7 @@ pub struct LocalCrateContext<'tcx> {
llmod: ModuleRef,
llcx: ContextRef,
tn: TypeNames, // FIXME: This seems to be largely unused.
codegen_unit: CodegenUnit<'tcx>,
needs_unwind_cleanup_cache: RefCell<FnvHashMap<Ty<'tcx>, bool>>,
fn_pointer_shims: RefCell<FnvHashMap<Ty<'tcx>, ValueRef>>,
drop_glues: RefCell<FnvHashMap<DropGlueKind<'tcx>, ValueRef>>,
@ -201,18 +202,8 @@ impl<'a, 'tcx: 'a> CrateContextList<'a, 'tcx> {
-> CrateContextList<'a, 'tcx> {
CrateContextList {
shared: shared_ccx,
// FIXME: We don't actually use the codegen unit partitioning yet.
local_ccxs: codegen_units.iter().map(|cgu| {
// Append ".rs" to crate name as LLVM module identifier.
//
// LLVM code generator emits a ".file filename" directive
// for ELF backends. Value of the "filename" is set as the
// LLVM module identifier. Due to a LLVM MC bug[1], LLVM
// crashes if the module identifier is same as other symbols
// such as a function name in the module.
// 1. http://llvm.org/bugs/show_bug.cgi?id=11479
let llmod_id = format!("{}.rs", cgu.name);
LocalCrateContext::new(shared_ccx, &llmod_id[..])
local_ccxs: codegen_units.into_iter().map(|codegen_unit| {
LocalCrateContext::new(shared_ccx, codegen_unit)
}).collect()
}
}
@ -497,10 +488,21 @@ impl<'b, 'tcx> SharedCrateContext<'b, 'tcx> {
impl<'tcx> LocalCrateContext<'tcx> {
fn new<'a>(shared: &SharedCrateContext<'a, 'tcx>,
name: &str)
codegen_unit: CodegenUnit<'tcx>)
-> LocalCrateContext<'tcx> {
unsafe {
let (llcx, llmod) = create_context_and_module(&shared.tcx.sess, name);
// Append ".rs" to LLVM module identifier.
//
// LLVM code generator emits a ".file filename" directive
// for ELF backends. Value of the "filename" is set as the
// LLVM module identifier. Due to a LLVM MC bug[1], LLVM
// crashes if the module identifier is same as other symbols
// such as a function name in the module.
// 1. http://llvm.org/bugs/show_bug.cgi?id=11479
let llmod_id = format!("{}.rs", codegen_unit.name);
let (llcx, llmod) = create_context_and_module(&shared.tcx.sess,
&llmod_id[..]);
let dbg_cx = if shared.tcx.sess.opts.debuginfo != NoDebugInfo {
Some(debuginfo::CrateDebugContext::new(llmod))
@ -511,6 +513,7 @@ impl<'tcx> LocalCrateContext<'tcx> {
let local_ccx = LocalCrateContext {
llmod: llmod,
llcx: llcx,
codegen_unit: codegen_unit,
tn: TypeNames::new(),
needs_unwind_cleanup_cache: RefCell::new(FnvHashMap()),
fn_pointer_shims: RefCell::new(FnvHashMap()),
@ -668,6 +671,10 @@ impl<'b, 'tcx> CrateContext<'b, 'tcx> {
self.local().llcx
}
pub fn codegen_unit(&self) -> &CodegenUnit<'tcx> {
&self.local().codegen_unit
}
pub fn td(&self) -> llvm::TargetDataRef {
unsafe { llvm::LLVMRustGetModuleDataLayout(self.llmod()) }
}