6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-19 03:24:09 +00:00
Code Issues Projects Releases Wiki Activity

Fast-math flags for the bitcode

Browse Source 
Added in bitcode enum for the serializing of fast-math flags. Added in the reading/writing of fast-math flags from the OptimizationFlags record for BinaryOps.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168646 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Ilseman
2012-11-27 00:43:38 +00:00
parent 15c13d3e63
commit 495d10ad56
3 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/Bitcode/Writer/BitcodeWriter.cpp
View File

@ -553,6 +553,18 @@ static uint64_t GetOptimizationFlags(const Value *V) {
dyn_cast<PossiblyExactOperator>(V)) {
if (PEO->isExact())
Flags |= 1 << bitc::PEO_EXACT;
} else if (const FPMathOperator *FPMO =
dyn_cast<const FPMathOperator>(V)) {
if (FPMO->hasUnsafeAlgebra())
Flags |= 1 << bitc::FMF_UNSAFE_ALGEBRA;
if (FPMO->hasNoNaNs())
Flags |= 1 << bitc::FMF_NO_NANS;
if (FPMO->hasNoInfs())
Flags |= 1 << bitc::FMF_NO_INFS;
if (FPMO->hasNoSignedZeros())
Flags |= 1 << bitc::FMF_NO_SIGNED_ZEROS;
if (FPMO->hasAllowReciprocal())
Flags |= 1 << bitc::FMF_ALLOW_RECIPROCAL;
}
return Flags;