Split out logic for valid clobbers and valid inline asm registers.

Fixes rdar://9281377


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134016 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 3 deletions

diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index 2d4c4a9791..30a9bdb317 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -181,6 +181,14 @@ static llvm::StringRef removeGCCRegisterPrefix(llvm::StringRef Name) {
   return Name;
 }
 
+/// isValidClobber - Returns whether the passed in string is
+/// a valid clobber in an inline asm statement. This is used by
+/// Sema.
+bool TargetInfo::isValidClobber(llvm::StringRef Name) const {
+  return (isValidGCCRegisterName(Name) ||
+	  Name == "memory" || Name == "cc");
+}
+
 /// isValidGCCRegisterName - Returns whether the passed in string
 /// is a valid register name according to GCC. This is used by Sema for
 /// inline asm statements.
@@ -194,9 +202,6 @@ bool TargetInfo::isValidGCCRegisterName(llvm::StringRef Name) const {
   // Get rid of any register prefix.
   Name = removeGCCRegisterPrefix(Name);
 
-  if (Name == "memory" || Name == "cc")
-    return true;
-
   getGCCRegNames(Names, NumNames);
 
   // If we have a number it maps to an entry in the register name array.