From 267236ade35200fec4bea0985d7523dacfdb457d Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Sun, 2 Oct 2011 09:12:55 +0000 Subject: Enhance a couple places where we were doing constant folding of instructions, but not load instructions. Noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140966 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineSelect.cpp | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'lib/Transforms/InstCombine/InstCombineSelect.cpp') diff --git a/lib/Transforms/InstCombine/InstCombineSelect.cpp b/lib/Transforms/InstCombine/InstCombineSelect.cpp index ffca57b773..ae42d526ae 100644 --- a/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -324,9 +324,14 @@ static Value *SimplifyWithOpReplaced(Value *V, Value *Op, Value *RepOp, } // All operands were constants, fold it. - if (ConstOps.size() == I->getNumOperands()) + if (ConstOps.size() == I->getNumOperands()) { + if (LoadInst *LI = dyn_cast(I)) + if (!LI->isVolatile()) + return ConstantFoldLoadFromConstPtr(ConstOps[0], TD); + return ConstantFoldInstOperands(I->getOpcode(), I->getType(), ConstOps, TD); + } } return 0; -- cgit v1.2.3