bjoernager/rust
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Prepare call/invoke for opaque pointers

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Rather than relying on `getPointerElementType()` from LLVM function
pointers, we now pass the function type explicitly when building `call`
or `invoke` instructions.
This commit is contained in:
Josh Stone 2021-08-03 15:09:57 -07:00
parent 61a941b8ba
commit 183d79cc09
15 changed files with 168 additions and 151 deletions
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13
compiler/rustc_codegen_llvm/src/allocator.rs
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@ -78,8 +78,14 @@ pub(crate) unsafe fn codegen(
.enumerate()
.map(|(i, _)| llvm::LLVMGetParam(llfn, i as c_uint))
.collect::<Vec<_>>();
let ret =
llvm::LLVMRustBuildCall(llbuilder, callee, args.as_ptr(), args.len() as c_uint, None);
let ret = llvm::LLVMRustBuildCall(
llbuilder,
ty,
callee,
args.as_ptr(),
args.len() as c_uint,
None,
);
llvm::LLVMSetTailCall(ret, True);
if output.is_some() {
llvm::LLVMBuildRet(llbuilder, ret);
@ -121,7 +127,8 @@ pub(crate) unsafe fn codegen(
.enumerate()
.map(|(i, _)| llvm::LLVMGetParam(llfn, i as c_uint))
.collect::<Vec<_>>();
let ret = llvm::LLVMRustBuildCall(llbuilder, callee, args.as_ptr(), args.len() as c_uint, None);
let ret =
llvm::LLVMRustBuildCall(llbuilder, ty, callee, args.as_ptr(), args.len() as c_uint, None);
llvm::LLVMSetTailCall(ret, True);
llvm::LLVMBuildRetVoid(llbuilder);
llvm::LLVMDisposeBuilder(llbuilder);