From 95b95de580fb8121e134511b34893f9426a8f1f7 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Thu, 7 May 2009 19:43:39 +0000 Subject: 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 --- lib/Transforms/Scalar/InstructionCombining.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib') 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 @@ 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(i)) -- cgit v1.1