[Hexagon] Reorganize and update instruction patterns

llvm-svn: 316228

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
index b084e046630..a5381c1fb1a 100644
--- a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -1590,10 +1590,14 @@ bool HexagonInstrInfo::analyzeCompare(const MachineInstr &MI, unsigned &SrcReg,
     case Hexagon::A4_cmpbgtui:
     case Hexagon::A4_cmpheqi:
     case Hexagon::A4_cmphgti:
-    case Hexagon::A4_cmphgtui:
+    case Hexagon::A4_cmphgtui: {
       SrcReg2 = 0;
+      const MachineOperand &Op2 = MI.getOperand(2);
+      if (!Op2.isImm())
+        return false;
       Value = MI.getOperand(2).getImm();
       return true;
+    }
   }
 
   return false;