commit d06b01c038e00f6af50a1b6d4c71389037e00212
author Devang Patel <dpatel@apple.com> Mon Jan 09 21:30:46 2012 +0000
committer Devang Patel <dpatel@apple.com> Mon Jan 09 21:30:46 2012 +0000
tree a687ea4fb1d300e3de402cc43d2a02331b55e52c
parent 22d20c218aeb14af388bff2346d6d4cc131e8449

Use descriptive variable name and remove incorrect operand number check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147802 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/AsmMatcherEmitter.cpp

diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index 737e948..bdd1c49 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -806,20 +806,17 @@
   return true;
 }
 
-/// extractSingletonRegisterForAsmOperand - Extract singleton register, if present,
-/// from specified token.
+/// extractSingletonRegisterForAsmOperand - Extract singleton register, 
+/// if present, from specified token.
 void MatchableInfo::
-extractSingletonRegisterForAsmOperand(unsigned i, const AsmMatcherInfo &Info,
+extractSingletonRegisterForAsmOperand(unsigned OperandNo, 
+                                      const AsmMatcherInfo &Info,
 				      std::string &RegisterPrefix) {
-  StringRef Tok = AsmOperands[i].Token;
+  StringRef Tok = AsmOperands[OperandNo].Token;
   if (RegisterPrefix.empty()) {
-    if (i) {
-      std::string LoweredTok = Tok.lower();
-      if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(LoweredTok))
-	AsmOperands[i].SingletonReg = Reg->TheDef;
-    } else
-      if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(Tok))
-	AsmOperands[i].SingletonReg = Reg->TheDef;
+    std::string LoweredTok = Tok.lower();
+    if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(LoweredTok))
+      AsmOperands[OperandNo].SingletonReg = Reg->TheDef;
     return;
   } 
 
@@ -828,7 +825,7 @@
 
   StringRef RegName = Tok.substr(RegisterPrefix.size());
   if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(RegName))
-    AsmOperands[i].SingletonReg = Reg->TheDef;
+    AsmOperands[OperandNo].SingletonReg = Reg->TheDef;
 
   // If there is no register prefix (i.e. "%" in "%eax"), then this may
   // be some random non-register token, just ignore it.