[llvm-commits] [llvm] r78676 - /llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

[Dan Gohman]

Author: djg
Date: Tue Aug 11 10:59:48 2009
New Revision: 78676

URL: http://llvm.org/viewvc/llvm-project?rev=78676&view=rev
Log:
Simplify this code. The case where one class is GR64RegClass and the
other is a subclass of it is effectively handled by the prior tests.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=78676&r1=78675&r2=78676&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Tue Aug 11 10:59:48 2009
@@ -1699,15 +1699,11 @@
     // Neither of GR64_NOREX or GR64_NOSP is a superclass of the other,
     // but we want to copy then as GR64. Similarly, for GR32_NOREX and
     // GR32_NOSP, copy as GR32.
-    if ((SrcRC == &X86::GR64RegClass ||
-         SrcRC->hasSuperClass(&X86::GR64RegClass)) &&
-        (DestRC == &X86::GR64RegClass ||
-         DestRC->hasSuperClass(&X86::GR64RegClass)))
+    if (SrcRC->hasSuperClass(&X86::GR64RegClass) &&
+        DestRC->hasSuperClass(&X86::GR64RegClass))
       CommonRC = &X86::GR64RegClass;
-    else if ((SrcRC == &X86::GR32RegClass ||
-              SrcRC->hasSuperClass(&X86::GR32RegClass)) &&
-             (DestRC == &X86::GR32RegClass ||
-              DestRC->hasSuperClass(&X86::GR32RegClass)))
+    else if (SrcRC->hasSuperClass(&X86::GR32RegClass) &&
+             DestRC->hasSuperClass(&X86::GR32RegClass))
       CommonRC = &X86::GR32RegClass;
     else
       CommonRC = 0;