1 files changed, 4 insertions, 13 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp b/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
index 7100b51bbb72..25cdf1ce66d4 100644
--- a/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
+++ b/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp
@@ -53,13 +53,6 @@ computeAliasingInstructions(const LLVMState &State, const Instruction *Instr,
     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.usesCustomInsertionHook() ||
-        OtherInstrDesc.isBranch() || OtherInstrDesc.isIndirectBranch() ||
-        OtherInstrDesc.isCall() || OtherInstrDesc.isReturn()) {
-          continue;
-    }
     if (OtherInstr.hasMemoryOperands())
       continue;
     if (!ET.allowAsBackToBack(OtherInstr))
@@ -81,12 +74,10 @@ static ExecutionMode getExecutionModes(const Instruction &Instr,
     EM |= ExecutionMode::ALWAYS_SERIAL_TIED_REGS_ALIAS;
   if (Instr.hasMemoryOperands())
     EM |= ExecutionMode::SERIAL_VIA_MEMORY_INSTR;
-  else {
-    if (Instr.hasAliasingRegisters(ForbiddenRegisters))
-      EM |= ExecutionMode::SERIAL_VIA_EXPLICIT_REGS;
-    if (Instr.hasOneUseOrOneDef())
-      EM |= ExecutionMode::SERIAL_VIA_NON_MEMORY_INSTR;
-  }
+  if (Instr.hasAliasingNotMemoryRegisters(ForbiddenRegisters))
+    EM |= ExecutionMode::SERIAL_VIA_EXPLICIT_REGS;
+  if (Instr.hasOneUseOrOneDef())
+    EM |= ExecutionMode::SERIAL_VIA_NON_MEMORY_INSTR;
   return EM;
 }