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| author | dim <dim@FreeBSD.org> | 2011-07-17 15:40:56 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-07-17 15:40:56 +0000 |
| commit | 611ba3ea3300b71eb95dc4e45f20eee5dddd32e1 (patch) | |
| tree | 2097d084eb235c0b12c0bff3445f4ec7bbaa8a12 /lib/Basic/TargetInfo.cpp | |
| parent | c49018d9cce52d8c9f34b44865ec3ba8e89a1488 (diff) | |
| download | FreeBSD-src-611ba3ea3300b71eb95dc4e45f20eee5dddd32e1.zip FreeBSD-src-611ba3ea3300b71eb95dc4e45f20eee5dddd32e1.tar.gz | |
Vendor import of clang trunk r135360:
http://llvm.org/svn/llvm-project/cfe/trunk@135360
Diffstat (limited to 'lib/Basic/TargetInfo.cpp')
| -rw-r--r-- | lib/Basic/TargetInfo.cpp | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp index dcf0cb4..30a9bdb 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. @@ -212,6 +217,20 @@ bool TargetInfo::isValidGCCRegisterName(llvm::StringRef Name) const { return true; } + // Check any additional names that we have. + const AddlRegName *AddlNames; + unsigned NumAddlNames; + getGCCAddlRegNames(AddlNames, NumAddlNames); + for (unsigned i = 0; i < NumAddlNames; i++) + for (unsigned j = 0; j < llvm::array_lengthof(AddlNames[i].Names); j++) { + if (!AddlNames[i].Names[j]) + break; + // Make sure the register that the additional name is for is within + // the bounds of the register names from above. + if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < NumNames) + return true; + } + // Now check aliases. const GCCRegAlias *Aliases; unsigned NumAliases; @@ -251,6 +270,20 @@ TargetInfo::getNormalizedGCCRegisterName(llvm::StringRef Name) const { } } + // Check any additional names that we have. + const AddlRegName *AddlNames; + unsigned NumAddlNames; + getGCCAddlRegNames(AddlNames, NumAddlNames); + for (unsigned i = 0; i < NumAddlNames; i++) + for (unsigned j = 0; j < llvm::array_lengthof(AddlNames[i].Names); j++) { + if (!AddlNames[i].Names[j]) + break; + // Make sure the register that the additional name is for is within + // the bounds of the register names from above. + if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < NumNames) + return Name; + } + // Now check aliases. const GCCRegAlias *Aliases; unsigned NumAliases; |
