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use stringref instead of strtol to avoid errno gymnastics.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100341 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-04 18:42:18 +00:00
parent 736e31d0cf
commit 65eeaad91d
1 changed files with 6 additions and 7 deletions
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13
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
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@ -22,7 +22,6 @@
#include "llvm/ADT/Twine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <cerrno> // FIXME: Stop using this.
using namespace llvm;
/// EmitInlineAsm - Emit a blob of inline asm to the output streamer.
@ -168,13 +167,13 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
}
const char *IDStart = LastEmitted;
char *IDEnd;
errno = 0;
long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs.
if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) {
const char *IDEnd = IDStart;
while (*IDEnd >= '0' && *IDEnd <= '9') ++IDEnd;
unsigned Val;
if (StringRef(IDStart, IDEnd-IDStart).getAsInteger(10, Val))
llvm_report_error("Bad $ operand number in inline asm string: '"
+ std::string(AsmStr) + "'");
}
LastEmitted = IDEnd;
char Modifier[2] = { 0, 0 };
@ -200,7 +199,7 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
++LastEmitted; // Consume '}' character.
}
if ((unsigned)Val >= NumOperands-1) {
if (Val >= NumOperands-1) {
llvm_report_error("Invalid $ operand number in inline asm string: '"
+ std::string(AsmStr) + "'");
}