Handle the global address case here, not just the offset case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19487 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86PeepholeOpt.cpp b/lib/Target/X86/X86PeepholeOpt.cpp
index d0414809f516d0666a559336d88660531958ffd3..9d02cbd69a906688c46700e083f10abf3280bd9a 100644 (file)
--- a/lib/Target/X86/X86PeepholeOpt.cpp
+++ b/lib/Target/X86/X86PeepholeOpt.cpp
@@ -191,10 +191,17 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
         unsigned R0 = MI->getOperand(0).getReg();
         unsigned Scale = MI->getOperand(1).getImmedValue();
         unsigned R1 = MI->getOperand(2).getReg();
-        unsigned Offset = MI->getOperand(3).getImmedValue();
-        I = MBB.insert(MBB.erase(I),
-                       BuildMI(Opcode, 5).addReg(R0).addZImm(Scale).
-                             addReg(R1).addSImm(Offset).addZImm((char)Val));
+        if (MI->getOperand(3).isImmediate()) {
+          unsigned Offset = MI->getOperand(3).getImmedValue();
+          I = MBB.insert(MBB.erase(I),
+                         BuildMI(Opcode, 5).addReg(R0).addZImm(Scale).
+                         addReg(R1).addSImm(Offset).addZImm((char)Val));
+        } else if (MI->getOperand(3).isGlobalAddress()) {
+          GlobalValue *GA = MI->getOperand(3).getGlobal();
+          I = MBB.insert(MBB.erase(I),
+                         BuildMI(Opcode, 5).addReg(R0).addZImm(Scale).
+                         addReg(R1).addGlobalAddress(GA).addZImm((char)Val));
+        }
         return true;
       }
     }