[llvm] r217774 - [mips] Use early exit in MipsAsmParser::matchCPURegisterName(). NFC.

[Toma Tabacu]

Author: tomatabacu
Date: Mon Sep 15 10:33:01 2014
New Revision: 217774

URL: http://llvm.org/viewvc/llvm-project?rev=217774&view=rev
Log:
[mips] Use early exit in MipsAsmParser::matchCPURegisterName(). NFC.

Patch by Vasileios Kalintiris.

Differential Revision: http://reviews.llvm.org/D5270


Modified:
    llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp

Modified: llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp?rev=217774&r1=217773&r2=217774&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp Mon Sep 15 10:33:01 2014
@@ -1657,23 +1657,24 @@ int MipsAsmParser::matchCPURegisterName(
            .Case("t9", 25)
            .Default(-1);
 
-  if (isABI_N32() || isABI_N64()) {
-    // Although SGI documentation just cuts out t0-t3 for n32/n64,
-    // GNU pushes the values of t0-t3 to override the o32/o64 values for t4-t7
-    // We are supporting both cases, so for t0-t3 we'll just push them to t4-t7.
-    if (8 <= CC && CC <= 11)
-      CC += 4;
+  if (!(isABI_N32() || isABI_N64()))
+    return CC;
 
-    if (CC == -1)
-      CC = StringSwitch<unsigned>(Name)
-               .Case("a4", 8)
-               .Case("a5", 9)
-               .Case("a6", 10)
-               .Case("a7", 11)
-               .Case("kt0", 26)
-               .Case("kt1", 27)
-               .Default(-1);
-  }
+  // Although SGI documentation just cuts out t0-t3 for n32/n64,
+  // GNU pushes the values of t0-t3 to override the o32/o64 values for t4-t7
+  // We are supporting both cases, so for t0-t3 we'll just push them to t4-t7.
+  if (8 <= CC && CC <= 11)
+    CC += 4;
+
+  if (CC == -1)
+    CC = StringSwitch<unsigned>(Name)
+             .Case("a4", 8)
+             .Case("a5", 9)
+             .Case("a6", 10)
+             .Case("a7", 11)
+             .Case("kt0", 26)
+             .Case("kt1", 27)
+             .Default(-1);
 
   return CC;
 }