diff options
| -rw-r--r-- | lib/AST/Stmt.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp index cc120a684c..f68ed0ac89 100644 --- a/lib/AST/Stmt.cpp +++ b/lib/AST/Stmt.cpp @@ -274,9 +274,11 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces, if (isdigit(EscapedChar)) { // %n - Assembler operand n - char *End; - unsigned long N = strtoul(CurPtr-1, &End, 10); - assert(End != CurPtr-1 && "We know that EscapedChar is a digit!"); + unsigned N = 0; + + --CurPtr; + while (CurPtr != StrEnd && isdigit(*CurPtr)) + N = N*10+((*CurPtr++)-'0'); unsigned NumOperands = getNumOutputs() + getNumPlusOperands() + getNumInputs(); @@ -285,7 +287,6 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces, return diag::err_asm_invalid_operand_number; } - CurPtr = End; Pieces.push_back(AsmStringPiece(N, Modifier)); continue; } |