maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

IR: Properly canonicalize PointerType in ConstantExpr GEPs 

No additional test was needed, Other/constant-fold-gep.ll detects this
just fine.

llvm-svn: 194221
This commit is contained in:
David Majnemer 2013-11-07 22:29:42 +00:00
parent bd4fef4a89
commit d3d140da36
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
llvm/lib/IR/ConstantFold.cpp
View File

@ -1966,11 +1966,12 @@ static Constant *ConstantFoldGetElementPtrImpl(Constant *C,
else if (VectorType *VTy = dyn_cast<VectorType>(LastTy))
NumElements = VTy->getNumElements();
if (ConstantInt *CI = dyn_cast<ConstantInt>(Idx0)) {
int64_t Idx0Val = CI->getSExtValue();
if (NumElements > 0 && Idx0Val >= 0 &&
(uint64_t)Idx0Val < NumElements)
IsSequentialAccessInRange = true;
if (NumElements > 0) {
if (ConstantInt *CI = dyn_cast<ConstantInt>(Idx0)) {
int64_t Idx0Val = CI->getSExtValue();
if (Idx0Val >= 0 && (uint64_t)Idx0Val < NumElements)
IsSequentialAccessInRange = true;
}
} else if (PointerType *PTy = dyn_cast<PointerType>(LastTy))
// Only handle pointers to sized types, not pointers to functions.
if (PTy->getElementType()->isSized())