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[CodeGenPrepare] Use variables for reused values. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223491 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ahmed Bougacha 2014-12-05 18:04:40 +00:00
parent fba13406e2
commit bf6e012f8e
1 changed files with 6 additions and 4 deletions
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10
lib/CodeGen/CodeGenPrepare.cpp
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@ -2962,11 +2962,13 @@ bool CodeGenPrepare::MoveExtToFormExtLoad(Instruction *I) {
if (LI->getParent() == I->getParent())
return false;
EVT VT = TLI->getValueType(I->getType());
EVT LoadVT = TLI->getValueType(LI->getType());
// If the load has other users and the truncate is not free, this probably
// isn't worthwhile.
if (!LI->hasOneUse() &&
TLI && (TLI->isTypeLegal(TLI->getValueType(LI->getType())) ||
!TLI->isTypeLegal(TLI->getValueType(I->getType()))) &&
if (!LI->hasOneUse() && TLI &&
(TLI->isTypeLegal(LoadVT) || !TLI->isTypeLegal(VT)) &&
!TLI->isTruncateFree(I->getType(), LI->getType()))
return false;
@ -2978,7 +2980,7 @@ bool CodeGenPrepare::MoveExtToFormExtLoad(Instruction *I) {
assert(isa<SExtInst>(I) && "Unexpected ext type!");
LType = ISD::SEXTLOAD;
}
if (TLI && !TLI->isLoadExtLegal(LType, TLI->getValueType(LI->getType())))
if (TLI && !TLI->isLoadExtLegal(LType, LoadVT))
return false;
// Move the extend into the same block as the load, so that SelectionDAG