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Emit error unsupported when asm string conversion fails instead of 

assert.

llvm-svn: 57721
This commit is contained in:
Daniel Dunbar 2008-10-17 20:58:01 +00:00
parent 94169f1021
commit 1e75408d89
1 changed files with 13 additions and 3 deletions
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16
clang/lib/CodeGen/CGStmt.cpp
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@ -624,7 +624,9 @@ void CodeGenFunction::EmitSwitchStmt(const SwitchStmt &S) {
}
static std::string ConvertAsmString(const char *Start, unsigned NumOperands,
bool IsSimple) {
bool IsSimple, bool &Failed) {
Failed = false;
static unsigned AsmCounter = 0;
AsmCounter++;
std::string Result;
@ -696,7 +698,8 @@ static std::string ConvertAsmString(const char *Start, unsigned NumOperands,
Result += "${" + llvm::utostr(n) + ':' + EscapedChar + '}';
Start = End - 1;
} else {
assert(0 && "Unhandled asm escaped character!");
Failed = true;
return "";
}
}
Start++;
@ -731,10 +734,17 @@ static std::string SimplifyConstraint(const char* Constraint,
}
void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
bool Failed;
std::string AsmString =
ConvertAsmString(std::string(S.getAsmString()->getStrData(),
S.getAsmString()->getByteLength()).c_str(),
S.getNumOutputs() + S.getNumInputs(), S.isSimple());
S.getNumOutputs() + S.getNumInputs(), S.isSimple(),
Failed);
if (Failed) {
ErrorUnsupported(&S, "asm string");
return;
}
std::string Constraints;