[ConstantFolding, InstSimplify] Handle more vector GEPs
This patch addresses some additional cases where the compiler crashes upon
encountering vector GEPs. This should fix PR36116.
Differential Revision: https://reviews.llvm.org/D44219
Reference: https://bugs.llvm.org/show_bug.cgi?id=36116
llvm-svn: 327638
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index 5e43cb7..67669c2 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -3723,7 +3723,7 @@
if (Ops.size() == 2) {
// getelementptr P, 0 -> P.
- if (match(Ops[1], m_Zero()))
+ if (match(Ops[1], m_Zero()) && Ops[0]->getType() == GEPTy)
return Ops[0];
Type *Ty = SrcTy;
@@ -3732,7 +3732,7 @@
uint64_t C;
uint64_t TyAllocSize = Q.DL.getTypeAllocSize(Ty);
// getelementptr P, N -> P if P points to a type of zero size.
- if (TyAllocSize == 0)
+ if (TyAllocSize == 0 && Ops[0]->getType() == GEPTy)
return Ops[0];
// The following transforms are only safe if the ptrtoint cast