Perform constant folding on operands of instructions with non-void
types, such as loads and calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71175 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 9feb442..c285c32 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -12770,7 +12770,9 @@
continue;
}
- if (TD && I->getType()->getTypeID() == Type::VoidTyID) {
+ if (TD &&
+ (I->getType()->getTypeID() == Type::VoidTyID ||
+ I->isTrapping())) {
// See if we can constant fold its operands.
for (User::op_iterator i = I->op_begin(), e = I->op_end(); i != e; ++i)
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(i))