6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

fix overflow check.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56011 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2008-09-09 20:54:34 +00:00
parent 0d95267e49
commit 4b3f08bac7
2 changed files with 49 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
lib/Transforms/Scalar/LoopStrengthReduce.cpp
View File

@@ -1551,8 +1551,7 @@ ICmpInst *LoopStrengthReduce::ChangeCompareStride(Loop *L, ICmpInst *Cond,
// Check stride constant and the comparision constant signs to detect
// overflow.
if (ICmpInst::isSignedPredicate(Predicate) &&
(CmpVal & SignBit) != (CmpSSInt & SignBit))
if ((CmpVal & SignBit) != (CmpSSInt & SignBit))
return Cond;
// Look for a suitable stride / iv as replacement.