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simplify

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48160 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2008-03-10 18:11:41 +00:00
parent 1da3d2743e
commit 7498f90926
1 changed files with 4 additions and 2 deletions

6
lib/Transforms/Utils/UnifyFunctionExitNodes.cpp

@ -21,6 +21,7 @@
#include "llvm/Instructions.h"
#include "llvm/Type.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
char UnifyFunctionExitNodes::ID = 0;
@ -116,9 +117,10 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
if (NumRetVals == 0)
new ReturnInst(NULL, NewRetBlock);
else if (const StructType *STy = dyn_cast<StructType>(F.getReturnType())) {
Instruction *InsertPt = NewRetBlock->getFirstNonPHI();
for (unsigned i = 0; i < NumRetVals; ++i) {
PHINode *PN = new PHINode(STy->getElementType(i), "UnifiedRetVal");
NewRetBlock->getInstList().push_back(PN);
PHINode *PN = new PHINode(STy->getElementType(i), "UnifiedRetVal."
+ utostr(i), InsertPt);
Phis.push_back(PN);
}
new ReturnInst(&Phis[0], NumRetVals);