commit c5cb2bed58b2732067d63b177fbabbddfcd3f37d
author Nirav Dave <niravd@google.com> Thu Jan 24 15:04:17 2019 +0000
committer Nirav Dave <niravd@google.com> Thu Jan 24 15:04:17 2019 +0000
tree a88a221c1cd4481adc17ad94f90e6eddaca09099
parent 41f2046642be6b94363f0f97446387ec6db65147

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

llvm-svn: 352051

llvm/lib/Target/X86/X86FixupSetCC.cpp

diff --git a/llvm/lib/Target/X86/X86FixupSetCC.cpp b/llvm/lib/Target/X86/X86FixupSetCC.cpp
index 421e6e0..5bfad71 100644
--- a/llvm/lib/Target/X86/X86FixupSetCC.cpp
+++ b/llvm/lib/Target/X86/X86FixupSetCC.cpp
@@ -102,7 +102,7 @@
   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 @@
 
 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;