diff options
Diffstat (limited to 'llvm/tools/llvm-exegesis')
| -rw-r--r-- | llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp b/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp index bdfc93e..707e6ee 100644 --- a/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp +++ b/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp @@ -57,6 +57,12 @@ computeAliasingInstructions(const LLVMState &State, const Instruction *Instr, continue; if (OtherInstr.hasMemoryOperands()) continue; + // Filtering out loads/stores might belong in hasMemoryOperands(), but that + // complicates things as there are instructions with may load/store that + // don't have operands (e.g. X86's CLUI instruction). So, it's easier to + // filter them out here. + if (OtherInstr.Description.mayLoad() || OtherInstr.Description.mayStore()) + continue; if (!ET.allowAsBackToBack(OtherInstr)) continue; if (Instr->hasAliasingRegistersThrough(OtherInstr, ForbiddenRegisters)) |