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Add callbr support to LLVM wrapper

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This commit is contained in:
Gary Guo 2023-12-26 04:20:35 +00:00
parent 3b1dd1bfa9
commit 27e6ee102e
3 changed files with 91 additions and 0 deletions
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25
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -1539,6 +1539,31 @@ LLVMRustBuildInvoke(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
Name));
}
extern "C" LLVMValueRef
LLVMRustBuildCallBr(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
LLVMBasicBlockRef DefaultDest,
LLVMBasicBlockRef *IndirectDests, unsigned NumIndirectDests,
LLVMValueRef *Args, unsigned NumArgs,
OperandBundleDef **OpBundles, unsigned NumOpBundles,
const char *Name) {
Value *Callee = unwrap(Fn);
FunctionType *FTy = unwrap<FunctionType>(Ty);
// FIXME: Is there a way around this?
std::vector<BasicBlock*> IndirectDestsUnwrapped;
IndirectDestsUnwrapped.reserve(NumIndirectDests);
for (unsigned i = 0; i < NumIndirectDests; ++i) {
IndirectDestsUnwrapped.push_back(unwrap(IndirectDests[i]));
}
return wrap(unwrap(B)->CreateCallBr(
FTy, Callee, unwrap(DefaultDest),
ArrayRef<BasicBlock*>(IndirectDestsUnwrapped),
ArrayRef<Value*>(unwrap(Args), NumArgs),
ArrayRef<OperandBundleDef>(*OpBundles, NumOpBundles),
Name));
}
extern "C" void LLVMRustPositionBuilderAtStart(LLVMBuilderRef B,
LLVMBasicBlockRef BB) {
auto Point = unwrap(BB)->getFirstInsertionPt();