From 003e08ff28c2db383f1791f5cc62c8aa61312ed1 Mon Sep 17 00:00:00 2001
From: Clement Courbet <courbet@google.com>
Date: Tue, 6 Nov 2018 14:11:58 +0000
Subject: [PATCH] [llvm-exegesis] Ignore X86 pseudo instructions.

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
---
 llvm/tools/llvm-exegesis/lib/X86/Target.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp
index 6ae228e1124e..b74d5dcde9f7 100644
--- a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp
+++ b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp
@@ -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>(