mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-21 03:28:31 +00:00
Remove spurious warnings from GCC:
warning: suggest a space before ';' or explicit braces around empty body in 'for' statement Patch by Mike Stump (modified slightly by yours truly). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45071 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
parent
87a702be1a
commit
2c6fd8c7ce
@ -54,7 +54,7 @@ static uint64_t HexIntToVal(const char *Buffer, const char *End) {
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Result += C-'A'+10;
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else if (C >= 'a' && C <= 'f')
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Result += C-'a'+10;
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if (Result < OldRes) { // Uh, oh, overflow detected!!!
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GenerateError("constant bigger than 64 bits detected!");
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return 0;
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@ -102,7 +102,7 @@ static void HexToIntPair(const char *Buffer, const char *End, uint64_t Pair[2]){
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// appropriate character.
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static void UnEscapeLexed(std::string &Str) {
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if (Str.empty()) return;
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char *Buffer = &Str[0], *EndBuffer = Buffer+Str.size();
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char *BOut = Buffer;
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for (char *BIn = Buffer; BIn != EndBuffer; ) {
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@ -168,9 +168,9 @@ int LLLexer::getNextChar() {
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// a random nul in the file. Disambiguate that here.
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if (CurPtr-1 != CurBuf->getBufferEnd())
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return 0; // Just whitespace.
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// Otherwise, return end of file.
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--CurPtr; // Another call to lex will return EOF again.
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--CurPtr; // Another call to lex will return EOF again.
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return EOF;
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case '\n':
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case '\r':
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@ -180,24 +180,24 @@ int LLLexer::getNextChar() {
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if ((*CurPtr == '\n' || (*CurPtr == '\r')) &&
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*CurPtr != CurChar)
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++CurPtr; // Eat the two char newline sequence.
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++CurLineNo;
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return '\n';
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}
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}
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}
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int LLLexer::LexToken() {
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TokStart = CurPtr;
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int CurChar = getNextChar();
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switch (CurChar) {
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default:
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// Handle letters: [a-zA-Z_]
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if (isalpha(CurChar) || CurChar == '_')
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return LexIdentifier();
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return CurChar;
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case EOF: return YYEOF;
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case 0:
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@ -234,7 +234,7 @@ int LLLexer::LexToken() {
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return LexToken();
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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case '-':
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case '-':
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return LexDigitOrNegative();
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}
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}
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@ -254,11 +254,11 @@ int LLLexer::LexAt() {
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// Handle AtStringConstant: @\"[^\"]*\"
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if (CurPtr[0] == '"') {
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++CurPtr;
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while (1) {
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int CurChar = getNextChar();
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if (CurChar == EOF) {
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if (CurChar == EOF) {
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GenerateError("End of file in global variable name");
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return YYERROR;
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}
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@ -269,30 +269,31 @@ int LLLexer::LexAt() {
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}
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}
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}
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// Handle GlobalVarName: @[-a-zA-Z$._][-a-zA-Z$._0-9]*
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if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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CurPtr[0] == '.' || CurPtr[0] == '_') {
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++CurPtr;
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while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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CurPtr[0] == '.' || CurPtr[0] == '_')
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++CurPtr;
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llvmAsmlval.StrVal = new std::string(TokStart+1, CurPtr); // Skip @
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return GLOBALVAR;
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}
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// Handle GlobalVarID: @[0-9]+
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if (isdigit(CurPtr[0])) {
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr);
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr)
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/*empty*/;
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uint64_t Val = atoull(TokStart+1, CurPtr);
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if ((unsigned)Val != Val)
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GenerateError("Invalid value number (too large)!");
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llvmAsmlval.UIntVal = unsigned(Val);
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return GLOBALVAL_ID;
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}
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return '@';
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}
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@ -305,11 +306,11 @@ int LLLexer::LexPercent() {
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// Handle PctStringConstant: %\"[^\"]*\"
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if (CurPtr[0] == '"') {
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++CurPtr;
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while (1) {
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int CurChar = getNextChar();
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if (CurChar == EOF) {
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if (CurChar == EOF) {
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GenerateError("End of file in local variable name");
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return YYERROR;
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}
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@ -320,30 +321,31 @@ int LLLexer::LexPercent() {
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}
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}
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}
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// Handle LocalVarName: %[-a-zA-Z$._][-a-zA-Z$._0-9]*
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if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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CurPtr[0] == '.' || CurPtr[0] == '_') {
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++CurPtr;
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while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
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CurPtr[0] == '.' || CurPtr[0] == '_')
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++CurPtr;
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llvmAsmlval.StrVal = new std::string(TokStart+1, CurPtr); // Skip %
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return LOCALVAR;
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}
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// Handle LocalVarID: %[0-9]+
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if (isdigit(CurPtr[0])) {
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr);
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr)
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/*empty*/;
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uint64_t Val = atoull(TokStart+1, CurPtr);
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if ((unsigned)Val != Val)
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GenerateError("Invalid value number (too large)!");
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llvmAsmlval.UIntVal = unsigned(Val);
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return LOCALVAL_ID;
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}
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return '%';
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}
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@ -353,12 +355,12 @@ int LLLexer::LexPercent() {
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int LLLexer::LexQuote() {
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while (1) {
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int CurChar = getNextChar();
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if (CurChar == EOF) {
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if (CurChar == EOF) {
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GenerateError("End of file in quoted string");
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return YYERROR;
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}
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if (CurChar != '"') continue;
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if (CurPtr[0] != ':') {
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@ -366,7 +368,7 @@ int LLLexer::LexQuote() {
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UnEscapeLexed(*llvmAsmlval.StrVal);
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return STRINGCONSTANT;
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}
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++CurPtr;
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llvmAsmlval.StrVal = new std::string(TokStart+1, CurPtr-2);
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UnEscapeLexed(*llvmAsmlval.StrVal);
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@ -395,26 +397,26 @@ int LLLexer::LexIdentifier() {
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const char *StartChar = CurPtr;
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const char *IntEnd = CurPtr[-1] == 'i' ? 0 : StartChar;
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const char *KeywordEnd = 0;
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for (; isLabelChar(*CurPtr); ++CurPtr) {
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// If we decide this is an integer, remember the end of the sequence.
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if (!IntEnd && !isdigit(*CurPtr)) IntEnd = CurPtr;
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if (!KeywordEnd && !isalnum(*CurPtr) && *CurPtr != '_') KeywordEnd = CurPtr;
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}
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// If we stopped due to a colon, this really is a label.
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if (*CurPtr == ':') {
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llvmAsmlval.StrVal = new std::string(StartChar-1, CurPtr++);
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return LABELSTR;
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}
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// Otherwise, this wasn't a label. If this was valid as an integer type,
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// return it.
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if (IntEnd == 0) IntEnd = CurPtr;
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if (IntEnd != StartChar) {
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CurPtr = IntEnd;
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uint64_t NumBits = atoull(StartChar, CurPtr);
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if (NumBits < IntegerType::MIN_INT_BITS ||
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if (NumBits < IntegerType::MIN_INT_BITS ||
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NumBits > IntegerType::MAX_INT_BITS) {
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GenerateError("Bitwidth for integer type out of range!");
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return YYERROR;
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@ -423,7 +425,7 @@ int LLLexer::LexIdentifier() {
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llvmAsmlval.PrimType = Ty;
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return INTTYPE;
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}
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// Otherwise, this was a letter sequence. See which keyword this is.
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if (KeywordEnd == 0) KeywordEnd = CurPtr;
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CurPtr = KeywordEnd;
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@ -440,7 +442,7 @@ int LLLexer::LexIdentifier() {
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KEYWORD("define", DEFINE);
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KEYWORD("global", GLOBAL);
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KEYWORD("constant", CONSTANT);
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KEYWORD("internal", INTERNAL);
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KEYWORD("linkonce", LINKONCE);
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KEYWORD("weak", WEAK);
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@ -470,14 +472,14 @@ int LLLexer::LexIdentifier() {
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KEYWORD("asm", ASM_TOK);
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KEYWORD("sideeffect", SIDEEFFECT);
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KEYWORD("gc", GC);
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KEYWORD("cc", CC_TOK);
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KEYWORD("ccc", CCC_TOK);
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KEYWORD("fastcc", FASTCC_TOK);
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KEYWORD("coldcc", COLDCC_TOK);
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KEYWORD("x86_stdcallcc", X86_STDCALLCC_TOK);
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KEYWORD("x86_fastcallcc", X86_FASTCALLCC_TOK);
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KEYWORD("signext", SIGNEXT);
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KEYWORD("zeroext", ZEROEXT);
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KEYWORD("inreg", INREG);
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@ -489,7 +491,7 @@ int LLLexer::LexIdentifier() {
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KEYWORD("nest", NEST);
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KEYWORD("readnone", READNONE);
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KEYWORD("readonly", READONLY);
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KEYWORD("type", TYPE);
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KEYWORD("opaque", OPAQUE);
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@ -539,7 +541,7 @@ int LLLexer::LexIdentifier() {
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if (JustWhitespaceNewLine(CurPtr))
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return ZEROEXT;
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}
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// Keywords for instructions.
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#define INSTKEYWORD(STR, type, Enum, TOK) \
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if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \
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@ -596,8 +598,8 @@ int LLLexer::LexIdentifier() {
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INSTKEYWORD("extractelement", OtherOpVal, ExtractElement, EXTRACTELEMENT);
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INSTKEYWORD("insertelement", OtherOpVal, InsertElement, INSERTELEMENT);
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INSTKEYWORD("shufflevector", OtherOpVal, ShuffleVector, SHUFFLEVECTOR);
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#undef INSTKEYWORD
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#undef INSTKEYWORD
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// Check for [us]0x[0-9A-Fa-f]+ which are Hexadecimal constant generated by
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// the CFE to avoid forcing it to deal with 64-bit numbers.
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if ((TokStart[0] == 'u' || TokStart[0] == 's') &&
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@ -619,13 +621,13 @@ int LLLexer::LexIdentifier() {
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return EUINT64VAL;
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}
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}
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// If this is "cc1234", return this as just "cc".
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if (TokStart[0] == 'c' && TokStart[1] == 'c') {
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CurPtr = TokStart+2;
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return CC_TOK;
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}
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// If this starts with "call", return it as CALL. This is to support old
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// broken .ll files. FIXME: remove this with LLVM 3.0.
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if (CurPtr-TokStart > 4 && !memcmp(TokStart, "call", 4)) {
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@ -633,7 +635,7 @@ int LLLexer::LexIdentifier() {
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llvmAsmlval.OtherOpVal = Instruction::Call;
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return CALL;
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}
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// Finally, if this isn't known, return just a single character.
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CurPtr = TokStart+1;
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return TokStart[0];
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@ -648,7 +650,7 @@ int LLLexer::LexIdentifier() {
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/// HexPPC128Constant 0xM[0-9A-Fa-f]+
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int LLLexer::Lex0x() {
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CurPtr = TokStart + 2;
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char Kind;
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if (CurPtr[0] >= 'K' && CurPtr[0] <= 'M') {
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Kind = *CurPtr++;
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@ -661,18 +663,18 @@ int LLLexer::Lex0x() {
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CurPtr = TokStart+1;
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return '0';
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}
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while (isxdigit(CurPtr[0]))
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++CurPtr;
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if (Kind == 'J') {
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// HexFPConstant - Floating point constant represented in IEEE format as a
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// hexadecimal number for when exponential notation is not precise enough.
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// Float and double only.
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llvmAsmlval.FPVal = new APFloat(HexToFP(TokStart+2, CurPtr));
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llvmAsmlval.FPVal = new APFloat(HexToFP(TokStart+2, CurPtr));
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return FPVAL;
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}
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uint64_t Pair[2];
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HexToIntPair(TokStart+3, CurPtr, Pair);
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switch (Kind) {
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@ -710,15 +712,16 @@ int LLLexer::LexDigitOrNegative() {
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CurPtr = End;
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return LABELSTR;
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}
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return CurPtr[-1];
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}
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// At this point, it is either a label, int or fp constant.
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// Skip digits, we have at least one.
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for (; isdigit(CurPtr[0]); ++CurPtr);
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for (; isdigit(CurPtr[0]); ++CurPtr)
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/*empty*/;
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// Check to see if this really is a label afterall, e.g. "-1:".
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if (isLabelChar(CurPtr[0]) || CurPtr[0] == ':') {
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if (const char *End = isLabelTail(CurPtr)) {
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@ -727,7 +730,7 @@ int LLLexer::LexDigitOrNegative() {
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return LABELSTR;
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}
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}
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// If the next character is a '.', then it is a fp value, otherwise its
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// integer.
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if (CurPtr[0] != '.') {
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@ -753,7 +756,7 @@ int LLLexer::LexDigitOrNegative() {
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Tmp.trunc(activeBits);
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if (Tmp.getBitWidth() > 64) {
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llvmAsmlval.APIntVal = new APInt(Tmp);
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return EUAPINTVAL;
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return EUAPINTVAL;
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} else {
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llvmAsmlval.UInt64Val = Tmp.getZExtValue();
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return EUINT64VAL;
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@ -762,20 +765,20 @@ int LLLexer::LexDigitOrNegative() {
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}
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++CurPtr;
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// Skip over [0-9]*([eE][-+]?[0-9]+)?
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while (isdigit(CurPtr[0])) ++CurPtr;
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if (CurPtr[0] == 'e' || CurPtr[0] == 'E') {
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if (isdigit(CurPtr[1]) ||
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if (isdigit(CurPtr[1]) ||
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((CurPtr[1] == '-' || CurPtr[1] == '+') && isdigit(CurPtr[2]))) {
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CurPtr += 2;
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while (isdigit(CurPtr[0])) ++CurPtr;
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}
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}
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llvmAsmlval.FPVal = new APFloat(atof(TokStart));
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return FPVAL;
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return FPVAL;
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}
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/// FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)?
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@ -784,31 +787,32 @@ int LLLexer::LexPositive() {
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// label.
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if (!isdigit(CurPtr[0]))
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return CurPtr[-1];
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// Skip digits.
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr);
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for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr)
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/*empty*/;
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// At this point, we need a '.'.
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if (CurPtr[0] != '.') {
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CurPtr = TokStart+1;
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return TokStart[0];
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}
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++CurPtr;
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// Skip over [0-9]*([eE][-+]?[0-9]+)?
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while (isdigit(CurPtr[0])) ++CurPtr;
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if (CurPtr[0] == 'e' || CurPtr[0] == 'E') {
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if (isdigit(CurPtr[1]) ||
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if (isdigit(CurPtr[1]) ||
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((CurPtr[1] == '-' || CurPtr[1] == '+') && isdigit(CurPtr[2]))) {
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CurPtr += 2;
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while (isdigit(CurPtr[0])) ++CurPtr;
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}
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}
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llvmAsmlval.FPVal = new APFloat(atof(TokStart));
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return FPVAL;
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return FPVAL;
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}
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