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[InstCombine] reduce duplicate code; NFC

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An unused variable problem was introduced with rL352870 
and stubbed out with rL352871, but we can make a better
fix by actually using the local variable in code rather 
than just the assert.  

llvm-svn: 352873
This commit is contained in:
Sanjay Patel 2019-02-01 14:37:49 +00:00
parent 6e3838f290
commit 293c4efa8d
1 changed files with 1 additions and 2 deletions
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3
lib/Transforms/InstCombine/InstCombineCalls.cpp
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@ -761,7 +761,6 @@ static Value *simplifyX86addcarry(const IntrinsicInst &II,
assert(RetTy->getStructElementType(0)->isIntegerTy(8) &&
RetTy->getStructElementType(1) == OpTy && OpTy == Op2->getType() &&
"Unexpected types for x86 addcarry");
(void)RetTy;
// If carry-in is zero, this is just an unsigned add with overflow.
if (match(CarryIn, m_ZeroInt())) {
@ -771,7 +770,7 @@ static Value *simplifyX86addcarry(const IntrinsicInst &II,
Value *UAddResult = Builder.CreateExtractValue(UAdd, 0);
Value *UAddOV = Builder.CreateZExt(Builder.CreateExtractValue(UAdd, 1),
Builder.getInt8Ty());
Value *Res = UndefValue::get(II.getType());
Value *Res = UndefValue::get(RetTy);
Res = Builder.CreateInsertValue(Res, UAddOV, 0);
return Builder.CreateInsertValue(Res, UAddResult, 1);
}