6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-26 23:24:34 +00:00
Code Issues Projects Releases Wiki Activity

Revert "Teach the load analysis to allow finding available values which require" (r220277)

Browse Source 
This seems to have caused PR21330.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hans Wennborg
2014-10-21 23:49:52 +00:00
parent 8c4980b307
commit ec4e924836
7 changed files with 18 additions and 136 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Transforms/Scalar/JumpThreading.cpp
View File

@ -902,8 +902,8 @@ bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) {
// only happen in dead loops.
if (AvailableVal == LI) AvailableVal = UndefValue::get(LI->getType());
if (AvailableVal->getType() != LI->getType())
AvailableVal =
CastInst::CreateBitOrPointerCast(AvailableVal, LI->getType(), "", LI);
AvailableVal = CastInst::Create(CastInst::BitCast, AvailableVal,
LI->getType(), "", LI);
LI->replaceAllUsesWith(AvailableVal);
LI->eraseFromParent();
return true;
@ -1040,8 +1040,8 @@ bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) {
// predecessor use the same bitcast.
Value *&PredV = I->second;
if (PredV->getType() != LI->getType())
PredV = CastInst::CreateBitOrPointerCast(PredV, LI->getType(), "",
P->getTerminator());
PredV = CastInst::Create(CastInst::BitCast, PredV, LI->getType(), "",
P->getTerminator());
PN->addIncoming(PredV, I->first);
}