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authorSanjay Patel <spatel@rotateright.com>2015-09-28 21:44:46 +0000
committerSanjay Patel <spatel@rotateright.com>2015-09-28 21:44:46 +0000
commit5e5f0e9756ebfc2bb9c8cf5df85d807d722dfd24 (patch)
tree05a36fcda73e6dc62834f4f4db089387af458036 /llvm/lib
parent4b1600359097d1edcdd62f0b65e6ab69c8e56d2f (diff)
downloadbcm5719-llvm-5e5f0e9756ebfc2bb9c8cf5df85d807d722dfd24.tar.gz
bcm5719-llvm-5e5f0e9756ebfc2bb9c8cf5df85d807d722dfd24.zip
move one-use check under the comment that describes it; NFCI
llvm-svn: 248745
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/CodeGen/CodeGenPrepare.cpp5
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index c667601ccf3..c69b0388471 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -3854,7 +3854,7 @@ static bool isFormingBranchFromSelectProfitable(SelectInst *SI) {
// avoid stalls on the load from memory. If the compare has more than one use
// there's probably another cmov or setcc around so it's not worth emitting a
// branch.
- if (!Cmp)
+ if (!Cmp || !Cmp->hasOneUse())
return false;
Value *CmpOp0 = Cmp->getOperand(0);
@@ -3862,8 +3862,7 @@ static bool isFormingBranchFromSelectProfitable(SelectInst *SI) {
// We check that the memory operand has one use to avoid uses of the loaded
// value directly after the compare, making branches unprofitable.
- return Cmp->hasOneUse() &&
- ((isa<LoadInst>(CmpOp0) && CmpOp0->hasOneUse()) ||
+ return ((isa<LoadInst>(CmpOp0) && CmpOp0->hasOneUse()) ||
(isa<LoadInst>(CmpOp1) && CmpOp1->hasOneUse()));
}
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