[llvm] r352051 - [X86] Add missing isReg() guards in FixupSetCCs pass.

[Nirav Dave via llvm-commits]

Author: niravd
Date: Thu Jan 24 07:04:17 2019
New Revision: 352051

URL: http://llvm.org/viewvc/llvm-project?rev=352051&view=rev
Log:
[X86] Add missing isReg() guards in FixupSetCCs pass.

Modified:
    llvm/trunk/lib/Target/X86/X86FixupSetCC.cpp

Modified: llvm/trunk/lib/Target/X86/X86FixupSetCC.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FixupSetCC.cpp?rev=352051&r1=352050&r2=352051&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86FixupSetCC.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FixupSetCC.cpp Thu Jan 24 07:04:17 2019
@@ -102,7 +102,7 @@ X86FixupSetCCPass::findFlagsImpDef(Machi
   auto MBBStart = MBB->rend();
   for (int i = 0; (i < SearchBound) && (MI != MBBStart); ++i, ++MI)
     for (auto &Op : MI->implicit_operands())
-      if ((Op.getReg() == X86::EFLAGS) && (Op.isDef()))
+      if (Op.isReg() && (Op.getReg() == X86::EFLAGS) && Op.isDef())
         return &*MI;
 
   return nullptr;
@@ -110,7 +110,7 @@ X86FixupSetCCPass::findFlagsImpDef(Machi
 
 bool X86FixupSetCCPass::impUsesFlags(MachineInstr *MI) {
   for (auto &Op : MI->implicit_operands())
-    if ((Op.getReg() == X86::EFLAGS) && (Op.isUse()))
+    if (Op.isReg() && (Op.getReg() == X86::EFLAGS) && Op.isUse())
       return true;
 
   return false;