AVX-512: Fixed a bug in emitting compare for MVT:i1 type.

[oota-llvm.git] / lib / CodeGen / RegisterCoalescer.h

diff --git a/lib/CodeGen/RegisterCoalescer.h b/lib/CodeGen/RegisterCoalescer.h
index 8a6df988f1bb854e807fc96fc702961337c0b871..d8f99454f4baf592b0331f8cf93c5db8af6a5ae3 100644 (file)
--- a/lib/CodeGen/RegisterCoalescer.h
+++ b/lib/CodeGen/RegisterCoalescer.h
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CODEGEN_REGISTER_COALESCER_H
-#define LLVM_CODEGEN_REGISTER_COALESCER_H
+#ifndef LLVM_LIB_CODEGEN_REGISTERCOALESCER_H
+#define LLVM_LIB_CODEGEN_REGISTERCOALESCER_H
 
 namespace llvm {
 
@@ -61,7 +61,14 @@ namespace llvm {
   public:
     CoalescerPair(const TargetRegisterInfo &tri)
       : TRI(tri), DstReg(0), SrcReg(0), DstIdx(0), SrcIdx(0),
-        Partial(false), CrossClass(false), Flipped(false), NewRC(0) {}
+        Partial(false), CrossClass(false), Flipped(false), NewRC(nullptr) {}
+
+    /// Create a CoalescerPair representing a virtreg-to-physreg copy.
+    /// No need to call setRegisters().
+    CoalescerPair(unsigned VirtReg, unsigned PhysReg,
+                  const TargetRegisterInfo &tri)
+      : TRI(tri), DstReg(PhysReg), SrcReg(VirtReg), DstIdx(0), SrcIdx(0),
+        Partial(false), CrossClass(false), Flipped(false), NewRC(nullptr) {}
 
     /// setRegisters - set registers to match the copy instruction MI. Return
     /// false if MI is not a coalescable copy instruction.