Remove the YMM_HI_6_15 hack.

Call clobbers are now represented with register mask operands.  The
regmask can easily represent the fact that xmm6 is call-preserved while
ymm6 isn't.  This is automatically computed by TableGen from the
CalleeSavedRegs containing xmm6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150709 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td
index d98eea3e377342721851829f46659657640ac995..5263a4934cbd01f81e9c5d6f6751b9210e40c301 100644 (file)
--- a/lib/Target/X86/X86RegisterInfo.td
+++ b/lib/Target/X86/X86RegisterInfo.td
@@ -206,13 +206,6 @@ let Namespace = "X86" in {
   def YMM15: RegisterWithSubRegs<"ymm15", [XMM15]>, DwarfRegAlias<XMM15>;
   }
 
-  // Pseudo-register that aliases the high part of ymm6-ymm15 that is clobbered
-  // by win64 calls.  Doesn't alias the callee-saved xmm6-xmm15.
-  def YMM_HI_6_15 : Register<"ymmhi-6-15"> {
-    let Aliases = [YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14,
-                   YMM15];
-  }
-
   class STRegister<string Name, list<Register> A> : Register<Name> {
     let Aliases = A;
   }