[PATCH] D73220: [llvm-exegesis] Don't use unsupported aliasing instructions
Miloš Stojanović via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 23 03:47:21 PST 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rGe8fc8507dacb: [llvm-exegesis] Don't use unsupported aliasing instructions (authored by mstojanovic).
Changed prior to commit:
https://reviews.llvm.org/D73220?vs=239668&id=239842#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73220/new/
https://reviews.llvm.org/D73220
Files:
llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
Index: llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
===================================================================
--- llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
+++ llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
@@ -49,6 +49,13 @@
if (OtherOpcode == Instr->Description.getOpcode())
continue;
const Instruction &OtherInstr = State.getIC().getInstr(OtherOpcode);
+ const MCInstrDesc &OtherInstrDesc = OtherInstr.Description;
+ // Ignore instructions that we cannot run.
+ if (OtherInstrDesc.isPseudo() ||
+ OtherInstrDesc.isBranch() || OtherInstrDesc.isIndirectBranch() ||
+ OtherInstrDesc.isCall() || OtherInstrDesc.isReturn()) {
+ continue;
+ }
if (OtherInstr.hasMemoryOperands())
continue;
if (!State.getExegesisTarget().allowAsBackToBack(OtherInstr))
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