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[ArgumentPromotion] Propagate operand bundles to promoted call sites 

We neglected to transfer operand bundles when performing argument
promotion.

This fixes PR27568.

llvm-svn: 267986
This commit is contained in:
David Majnemer 2016-04-29 04:56:12 +00:00
parent b805723294
commit cd24bb1d3a
2 changed files with 36 additions and 2 deletions
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7
llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
View File

@ -857,15 +857,18 @@ CallGraphNode *ArgPromotion::DoPromotion(Function *F,
AttributesVec.push_back(AttributeSet::get(Call->getContext(),
CallPAL.getFnAttributes()));
SmallVector<OperandBundleDef, 1> OpBundles;
CS.getOperandBundlesAsDefs(OpBundles);
Instruction *New;
if (InvokeInst *II = dyn_cast<InvokeInst>(Call)) {
New = InvokeInst::Create(NF, II->getNormalDest(), II->getUnwindDest(),
Args, "", Call);
Args, OpBundles, "", Call);
cast<InvokeInst>(New)->setCallingConv(CS.getCallingConv());
cast<InvokeInst>(New)->setAttributes(AttributeSet::get(II->getContext(),
AttributesVec));
} else {
New = CallInst::Create(NF, Args, "", Call);
New = CallInst::Create(NF, Args, OpBundles, "", Call);
cast<CallInst>(New)->setCallingConv(CS.getCallingConv());
cast<CallInst>(New)->setAttributes(AttributeSet::get(New->getContext(),
AttributesVec));

31
llvm/test/Transforms/ArgumentPromotion/pr27568.ll Normal file
View File

@ -0,0 +1,31 @@
; RUN: opt -S -argpromotion < %s | FileCheck %s
target triple = "x86_64-pc-windows-msvc"
define internal void @callee(i8*) {
entry:
call void @thunk()
ret void
}
define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
entry:
invoke void @thunk()
to label %out unwind label %cpad
out:
ret void
cpad:
%pad = cleanuppad within none []
call void @callee(i8* null) [ "funclet"(token %pad) ]
cleanupret from %pad unwind to caller
}
; CHECK-LABEL: define void @test1(
; CHECK: %[[pad:.*]] = cleanuppad within none []
; CHECK-NEXT: call void @callee() [ "funclet"(token %[[pad]]) ]
; CHECK-NEXT: cleanupret from %[[pad]] unwind to caller
declare void @thunk()
declare i32 @__CxxFrameHandler3(...)