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Reorganize FastMathFlags to be a wrapper around unsigned, and streamline some interfaces.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169712 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Ilseman
2012-12-09 21:12:04 +00:00
parent 880166684e
commit 1638b83909
8 changed files with 82 additions and 81 deletions
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lib/Bitcode/Reader/BitcodeReader.cpp
+10 -10
View File
@@ -2047,16 +2047,16 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
cast<BinaryOperator>(I)->setIsExact(true);
} else if (isa<FPMathOperator>(I)) {
FastMathFlags FMF;
FMF.UnsafeAlgebra =
0 != (Record[OpNum] & FPMathOperator::UnsafeAlgebra);
FMF.NoNaNs =
0 != (Record[OpNum] & FPMathOperator::NoNaNs);
FMF.NoInfs =
0 != (Record[OpNum] & FPMathOperator::NoInfs);
FMF.NoSignedZeros =
0 != (Record[OpNum] & FPMathOperator::NoSignedZeros);
FMF.AllowReciprocal =
0 != (Record[OpNum] & FPMathOperator::AllowReciprocal);
if (0 != (Record[OpNum] & FastMathFlags::UnsafeAlgebra))
FMF.setUnsafeAlgebra();
if (0 != (Record[OpNum] & FastMathFlags::NoNaNs))
FMF.setNoNaNs();
if (0 != (Record[OpNum] & FastMathFlags::NoInfs))
FMF.setNoInfs();
if (0 != (Record[OpNum] & FastMathFlags::NoSignedZeros))
FMF.setNoSignedZeros();
if (0 != (Record[OpNum] & FastMathFlags::AllowReciprocal))
FMF.setAllowReciprocal();
if (FMF.any())
I->setFastMathFlags(FMF);
}
lib/Bitcode/Writer/BitcodeWriter.cpp
+5 -5
View File
@@ -552,15 +552,15 @@ static uint64_t GetOptimizationFlags(const Value *V) {
} else if (const FPMathOperator *FPMO =
dyn_cast<const FPMathOperator>(V)) {
if (FPMO->hasUnsafeAlgebra())
Flags |= FPMathOperator::UnsafeAlgebra;
Flags |= FastMathFlags::UnsafeAlgebra;
if (FPMO->hasNoNaNs())
Flags |= FPMathOperator::NoNaNs;
Flags |= FastMathFlags::NoNaNs;
if (FPMO->hasNoInfs())
Flags |= FPMathOperator::NoInfs;
Flags |= FastMathFlags::NoInfs;
if (FPMO->hasNoSignedZeros())
Flags |= FPMathOperator::NoSignedZeros;
Flags |= FastMathFlags::NoSignedZeros;
if (FPMO->hasAllowReciprocal())
Flags |= FPMathOperator::AllowReciprocal;
Flags |= FastMathFlags::AllowReciprocal;
}
return Flags;