From c8056a952e2bbe1d7a1d3d9092405e04f124b714 Mon Sep 17 00:00:00 2001 From: Bob Wilson <bob.wilson@apple.com> Date: Thu, 13 Jan 2011 18:26:59 +0000 Subject: [PATCH] Check for empty structs, and for consistency, zero-element arrays. llvm-svn: 123383 --- llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 0ec095749f9e..e248413f4380 100644 --- a/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -1084,12 +1084,12 @@ static bool isHomogeneousAggregate(const Type *T, unsigned &NumElts, const Type *&EltTy) { if (const ArrayType *AT = dyn_cast<ArrayType>(T)) { NumElts = AT->getNumElements(); - EltTy = AT->getElementType(); + EltTy = (NumElts == 0 ? 0 : AT->getElementType()); return true; } if (const StructType *ST = dyn_cast<StructType>(T)) { NumElts = ST->getNumContainedTypes(); - EltTy = ST->getContainedType(0); + EltTy = (NumElts == 0 ? 0 : ST->getContainedType(0)); for (unsigned n = 1; n < NumElts; ++n) { if (ST->getContainedType(n) != EltTy) return false;