commit e9fc79bb13e833644548416f5aece0571f8c175d
author Sanjay Patel <spatel@rotateright.com> Thu Jul 21 21:56:00 2016 +0000
committer Sanjay Patel <spatel@rotateright.com> Thu Jul 21 21:56:00 2016 +0000
tree 1a39c712fa82f497e5f60e60611b785610a0b141
parent b8d2873d93c1e40d99fae9c25505246f3815c0d7

[InstSimplify] don't crash handling a pointer or aggregate type

llvm-svn: 276345

llvm/lib/Analysis/InstructionSimplify.cpp

diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index 7e4148c..c7e1724 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -3412,6 +3412,9 @@
                                            Value *FalseVal,
                                            bool TrueWhenUnset) {
   unsigned BitWidth = TrueVal->getType()->getScalarSizeInBits();
+  if (!BitWidth)
+    return nullptr;
+  
   APInt MinSignedValue;
   Value *X;
   if (match(CmpLHS, m_Trunc(m_Value(X))) && (X == TrueVal || X == FalseVal)) {