[SystemZ] Immediate compare-and-branch support

[oota-llvm.git] / lib / Target / SystemZ / SystemZInstrInfo.h

diff --git a/lib/Target/SystemZ/SystemZInstrInfo.h b/lib/Target/SystemZ/SystemZInstrInfo.h
index e4a984025f9a4369e63e7cb9f4ec6a062a016d36..d6980f7171314f324231186bc145ebb68784257a 100644 (file)
--- a/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -143,7 +143,9 @@ public:
 
   // If Opcode is a COMPARE opcode for which an associated COMPARE AND
   // BRANCH exists, return the opcode for the latter, otherwise return 0.
-  unsigned getCompareAndBranch(unsigned Opcode) const;
+  // MI, if nonnull, is the compare instruction.
+  unsigned getCompareAndBranch(unsigned Opcode,
+                               const MachineInstr *MI = 0) const;
 
   // Emit code before MBBI in MI to move immediate value Value into
   // physical register Reg.