From 891835ae0f801da0d25503c0a66a218bf4629c59 Mon Sep 17 00:00:00 2001 From: Reid Kleckner Date: Wed, 26 Mar 2014 22:26:35 +0000 Subject: CloneFunction: Clone all attributes, including the CC Summary: Tested with a unit test because we don't appear to have any transforms that use this other than ASan, I think. Fixes PR17935. Reviewers: nicholas CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D3194 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204866 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/Transforms/Utils/Cloning.cpp | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'unittests') diff --git a/unittests/Transforms/Utils/Cloning.cpp b/unittests/Transforms/Utils/Cloning.cpp index 6dec807b0c..fb27dc1735 100644 --- a/unittests/Transforms/Utils/Cloning.cpp +++ b/unittests/Transforms/Utils/Cloning.cpp @@ -180,6 +180,29 @@ TEST_F(CloneInstruction, Attributes) { delete F2; } +TEST_F(CloneInstruction, CallingConvention) { + Type *ArgTy1[] = { Type::getInt32PtrTy(context) }; + FunctionType *FT1 = FunctionType::get(Type::getVoidTy(context), ArgTy1, false); + + Function *F1 = Function::Create(FT1, Function::ExternalLinkage); + F1->setCallingConv(CallingConv::Cold); + BasicBlock *BB = BasicBlock::Create(context, "", F1); + IRBuilder<> Builder(BB); + Builder.CreateRetVoid(); + + Function *F2 = Function::Create(FT1, Function::ExternalLinkage); + + SmallVector Returns; + ValueToValueMapTy VMap; + VMap[F1->arg_begin()] = F2->arg_begin(); + + CloneFunctionInto(F2, F1, VMap, false, Returns); + EXPECT_EQ(CallingConv::Cold, F2->getCallingConv()); + + delete F1; + delete F2; +} + class CloneFunc : public ::testing::Test { protected: virtual void SetUp() { -- cgit v1.2.3