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| author | Quentin Colombet <qcolombet@apple.com> | 2013-10-02 23:11:47 +0000 |
|---|---|---|
| committer | Quentin Colombet <qcolombet@apple.com> | 2013-10-02 23:11:47 +0000 |
| commit | 4897e263906aa3c88e0a135f18ea9bd2af2676e5 (patch) | |
| tree | d6456a20e571f823096b9c4bf5664419f8c811c1 /lib | |
| parent | 407847f130885dd9e26e908f033f697c0975aeae (diff) | |
| download | external_llvm-4897e263906aa3c88e0a135f18ea9bd2af2676e5.zip external_llvm-4897e263906aa3c88e0a135f18ea9bd2af2676e5.tar.gz external_llvm-4897e263906aa3c88e0a135f18ea9bd2af2676e5.tar.bz2 | |
[llvm-c][Disassembler] When printing latency information, skip scheduling
classes that are marked as Variant as those require an MI to pass to
SubTargetInfo::resolveSchedClass.
This is part of <rdar://problem/14687488>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191864 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/MC/MCDisassembler/Disassembler.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/MC/MCDisassembler/Disassembler.cpp b/lib/MC/MCDisassembler/Disassembler.cpp index 406ee5b..115af8d 100644 --- a/lib/MC/MCDisassembler/Disassembler.cpp +++ b/lib/MC/MCDisassembler/Disassembler.cpp @@ -191,7 +191,9 @@ static int getLatency(LLVMDisasmContext *DC, const MCInst &Inst) { const MCInstrDesc& Desc = DC->getInstrInfo()->get(Inst.getOpcode()); unsigned SCClass = Desc.getSchedClass(); const MCSchedClassDesc *SCDesc = SCModel->getSchedClassDesc(SCClass); - if (!SCDesc || !SCDesc->isValid()) + // Resolving the variant SchedClass requires an MI to pass to + // SubTargetInfo::resolveSchedClass. + if (!SCDesc || !SCDesc->isValid() || SCDesc->isVariant()) return NoInformationAvailable; // Compute output latency. |