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[llvm-exegesis] Ignore X86 pseudo instructions.

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Summary: They do not lower to actual MCInsts and have no scheduling info.

Reviewers: gchatelet

Subscribers: llvm-commits, tschuett

Differential Revision: https://reviews.llvm.org/D54147

llvm-svn: 346227
This commit is contained in:
Clement Courbet 2018-11-06 14:11:58 +00:00
parent f6458112a8
commit 9307155a7b
1 changed files with 3 additions and 0 deletions
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3
tools/llvm-exegesis/lib/X86/Target.cpp
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@ -75,6 +75,9 @@ getMemoryOperandRanges(llvm::ArrayRef<Operand> Operands) {
static llvm::Error IsInvalidOpcode(const Instruction &Instr) {
const auto OpcodeName = Instr.Name;
if ((Instr.Description->TSFlags & X86II::FormMask) == X86II::Pseudo)
return llvm::make_error<BenchmarkFailure>(
"unsupported opcode: pseudo instruction");
if (OpcodeName.startswith("POPF") || OpcodeName.startswith("PUSHF") ||
OpcodeName.startswith("ADJCALLSTACK"))
return llvm::make_error<BenchmarkFailure>(