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[ms-cxxabi] Fix cast when structor replacement is an alias

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llvm-svn: 200711
This commit is contained in:
Reid Kleckner
2014-02-03 18:54:51 +00:00
parent 7a712cea71
commit b78257d0c1
3 changed files with 34 additions and 6 deletions
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12
clang/lib/CodeGen/CodeGenModule.cpp
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@@ -187,10 +187,14 @@ void CodeGenModule::applyReplacements() {
llvm::Function *OldF = cast<llvm::Function>(Entry);
llvm::Function *NewF = dyn_cast<llvm::Function>(Replacement);
if (!NewF) {
llvm::ConstantExpr *CE = cast<llvm::ConstantExpr>(Replacement);
assert(CE->getOpcode() == llvm::Instruction::BitCast ||
CE->getOpcode() == llvm::Instruction::GetElementPtr);
NewF = dyn_cast<llvm::Function>(CE->getOperand(0));
if (llvm::GlobalAlias *Alias = dyn_cast<llvm::GlobalAlias>(Replacement)) {
NewF = dyn_cast<llvm::Function>(Alias->getAliasedGlobal());
} else {
llvm::ConstantExpr *CE = cast<llvm::ConstantExpr>(Replacement);
assert(CE->getOpcode() == llvm::Instruction::BitCast ||
CE->getOpcode() == llvm::Instruction::GetElementPtr);
NewF = dyn_cast<llvm::Function>(CE->getOperand(0));
}
}
// Replace old with new, but keep the old order.