diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 4b9cc003ee2..7fc018556e1 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -4477,17 +4477,6 @@ static bool isFormingBranchFromSelectProfitable(const TargetTransformInfo *TTI, if (!Cmp || !Cmp->hasOneUse()) return false; - Value *CmpOp0 = Cmp->getOperand(0); - Value *CmpOp1 = Cmp->getOperand(1); - - // Emit "cmov on compare with a memory operand" as a branch to avoid stalls - // on a load from memory. But if the load is used more than once, do not - // change the select to a branch because the load is probably needed - // regardless of whether the branch is taken or not. - if ((isa<LoadInst>(CmpOp0) && CmpOp0->hasOneUse()) || - (isa<LoadInst>(CmpOp1) && CmpOp1->hasOneUse())) - return true; - // If either operand of the select is expensive and only needed on one side // of the select, we should form a branch. if (sinkSelectOperand(TTI, SI->getTrueValue()) || |
