diff options
Diffstat (limited to 'lib/Transforms')
-rw-r--r-- | lib/Transforms/InstCombine/InstCombine.h | 1 | ||||
-rw-r--r-- | lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 14 |
2 files changed, 0 insertions, 15 deletions
diff --git a/lib/Transforms/InstCombine/InstCombine.h b/lib/Transforms/InstCombine/InstCombine.h index 450e7f0a39..ef49790d14 100644 --- a/lib/Transforms/InstCombine/InstCombine.h +++ b/lib/Transforms/InstCombine/InstCombine.h @@ -118,7 +118,6 @@ public: Instruction *commonIDivTransforms(BinaryOperator &I); Instruction *visitUDiv(BinaryOperator &I); Instruction *visitSDiv(BinaryOperator &I); - Instruction *visitFDiv(BinaryOperator &I); Value *FoldAndOfICmps(ICmpInst *LHS, ICmpInst *RHS); Value *FoldAndOfFCmps(FCmpInst *LHS, FCmpInst *RHS); Instruction *visitAnd(BinaryOperator &I); diff --git a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index b5b98411f5..32b2a0ac0e 100644 --- a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -473,20 +473,6 @@ Instruction *InstCombiner::visitSDiv(BinaryOperator &I) { return 0; } -Instruction *InstCombiner::visitFDiv(BinaryOperator &I) { - Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); - - // undef / X -> undef (the undef could be a snan). - if (isa<UndefValue>(Op0)) - return ReplaceInstUsesWith(I, Op0); - - // X / undef -> undef - if (isa<UndefValue>(Op1)) - return ReplaceInstUsesWith(I, Op1); - - return 0; -} - /// This function implements the transforms on rem instructions that work /// regardless of the kind of rem instruction it is (urem, srem, or frem). It /// is used by the visitors to those instructions. |