revert an accidental commit, this fixes the regression on test/CodeGen/X86/isel-sink.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59976 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index b8664b0..5edaf2e 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -208,7 +208,7 @@
while (PHINode *PN = dyn_cast<PHINode>(DestBB->begin())) {
Value *NewVal = PN->getIncomingValue(0);
// Replace self referencing PHI with undef, it must be dead.
- if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
+ //if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
PN->replaceAllUsesWith(NewVal);
PN->eraseFromParent();
}
@@ -572,9 +572,6 @@
if (Instruction *I = dyn_cast_or_null<Instruction>(AddrInst))
AddrModeInsts.push_back(I);
- if (AddrInst && !AddrInst->hasOneUse())
- ;
- else
switch (Opcode) {
case Instruction::PtrToInt:
// PtrToInt is always a noop, as we know that the int type is pointer sized.