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Perform constant folding on operands of instructions with non-void

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types, such as loads and calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71175 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-05-07 19:43:39 +00:00
parent a6b35e201f
commit 31e4c77fae
1 changed files with 3 additions and 1 deletions
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4
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -12770,7 +12770,9 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) {
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))