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LSR, correct fix for rdar://9786536. Silly casting bug.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135654 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2011-07-21 01:45:54 +00:00
parent c2c988e5e0
commit c205a094bd
2 changed files with 3 additions and 3 deletions
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4
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -1480,8 +1480,8 @@ void LSRInstance::OptimizeShadowIV() {
ConstantInt *Init = dyn_cast<ConstantInt>(PH->getIncomingValue(Entry));
if (!Init) continue;
Constant *NewInit = ConstantFP::get(DestTy, IsSigned ?
Init->getSExtValue() :
Init->getZExtValue());
(double)Init->getSExtValue() :
(double)Init->getZExtValue());
BinaryOperator *Incr =
dyn_cast<BinaryOperator>(PH->getIncomingValue(Latch));

2
test/Transforms/LoopStrengthReduce/2011-07-20-DoubleIV.ll
View File

@ -25,7 +25,7 @@ for.end:
; Now check that the computed double constant is correct.
; CHECK: @doubleIV
; CHECK: phi double [ 0x43F0000000000000, %entry ]
; CHECK: phi double [ -3.900000e+01, %entry ]
; CHECK: br
define void @doubleIV() nounwind {
entry: