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| author |   patrick <patrick@openbsd.org> | 2018-04-06 14:26:03 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2018-04-06 14:26:03 +0000 |
| commit | bdabc2f19ffb9e20600dad6e8a300842a7bda50e (patch) | |
| tree | c50e7b2e5449b074651bb82a58517a8ebc4a8cf7 /gnu/llvm/lib/MC/MCSubtargetInfo.cpp | |
| parent | Print a 'p' flag for file descriptors that were opened after pledge(2). (diff) | |
| download | wireguard-openbsd-bdabc2f19ffb9e20600dad6e8a300842a7bda50e.tar.xz wireguard-openbsd-bdabc2f19ffb9e20600dad6e8a300842a7bda50e.zip | |
Import LLVM 6.0.1 release including clang, lld and lldb.
"where is the kaboom?" deraadt@
Diffstat (limited to 'gnu/llvm/lib/MC/MCSubtargetInfo.cpp')
| -rw-r--r-- | gnu/llvm/lib/MC/MCSubtargetInfo.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gnu/llvm/lib/MC/MCSubtargetInfo.cpp b/gnu/llvm/lib/MC/MCSubtargetInfo.cpp index 385cdcc6232..8b9b076382e 100644 --- a/gnu/llvm/lib/MC/MCSubtargetInfo.cpp +++ b/gnu/llvm/lib/MC/MCSubtargetInfo.cpp @@ -75,6 +75,18 @@ FeatureBitset MCSubtargetInfo::ApplyFeatureFlag(StringRef FS) { return FeatureBits; } +bool MCSubtargetInfo::checkFeatures(StringRef FS) const { + SubtargetFeatures T(FS); + FeatureBitset Set, All; + for (std::string F : T.getFeatures()) { + SubtargetFeatures::ApplyFeatureFlag(Set, F, ProcFeatures); + if (F[0] == '-') + F[0] = '+'; + SubtargetFeatures::ApplyFeatureFlag(All, F, ProcFeatures); + } + return (FeatureBits & All) == Set; +} + const MCSchedModel &MCSubtargetInfo::getSchedModelForCPU(StringRef CPU) const { assert(ProcSchedModels && "Processor machine model not available!"); @@ -102,7 +114,7 @@ const MCSchedModel &MCSubtargetInfo::getSchedModelForCPU(StringRef CPU) const { InstrItineraryData MCSubtargetInfo::getInstrItineraryForCPU(StringRef CPU) const { - const MCSchedModel SchedModel = getSchedModelForCPU(CPU); + const MCSchedModel &SchedModel = getSchedModelForCPU(CPU); return InstrItineraryData(SchedModel, Stages, OperandCycles, ForwardingPaths); } |