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[ms-inline asm] Add comments. 

llvm-svn: 162394
This commit is contained in:
Chad Rosier 2012-08-22 21:08:06 +00:00
parent bb365caf80
commit 53d79d9905
1 changed files with 6 additions and 1 deletions
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7
clang/lib/Sema/SemaStmtAsm.cpp
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@ -328,6 +328,7 @@ static bool isMSAsmKeyword(StringRef Name) {
return Ret;
}
// getSpelling - Get the spelling of the AsmTok token.
static StringRef getSpelling(Sema &SemaRef, Token AsmTok) {
StringRef Asm;
SmallString<512> TokenBuf;
@ -338,6 +339,7 @@ static StringRef getSpelling(Sema &SemaRef, Token AsmTok) {
return Asm;
}
// Determine if we should bail on this MSAsm instruction.
static bool bailOnMSAsm(std::vector<StringRef> Piece) {
for (unsigned i = 0, e = Piece.size(); i != e; ++i)
if (isMSAsmKeyword(Piece[i]))
@ -345,6 +347,7 @@ static bool bailOnMSAsm(std::vector<StringRef> Piece) {
return false;
}
// Determine if we should bail on this MSAsm block.
static bool bailOnMSAsm(std::vector<std::vector<StringRef> > Pieces) {
for (unsigned i = 0, e = Pieces.size(); i != e; ++i)
if (bailOnMSAsm(Pieces[i]))
@ -352,6 +355,7 @@ static bool bailOnMSAsm(std::vector<std::vector<StringRef> > Pieces) {
return false;
}
// Determine if this is a simple MSAsm instruction.
static bool isSimpleMSAsm(std::vector<StringRef> &Pieces,
const TargetInfo &TI) {
if (isMSAsmKeyword(Pieces[0]))
@ -363,6 +367,7 @@ static bool isSimpleMSAsm(std::vector<StringRef> &Pieces,
return true;
}
// Determine if this is a simple MSAsm block.
static bool isSimpleMSAsm(std::vector<std::vector<StringRef> > Pieces,
const TargetInfo &TI) {
for (unsigned i = 0, e = Pieces.size(); i != e; ++i)
@ -371,7 +376,7 @@ static bool isSimpleMSAsm(std::vector<std::vector<StringRef> > Pieces,
return true;
}
// Break the AsmSting into pieces.
// Break the AsmSting into pieces (i.e., mnemonic and operands).
static void buildMSAsmPieces(StringRef Asm, std::vector<StringRef> &Pieces) {
std::pair<StringRef,StringRef> Split = Asm.split(' ');