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Add some extra debug output that's useful in diagnosing inline assembler bugs.

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This commit is contained in:
Frits van Bommel
2009-02-16 23:56:56 +01:00
parent 9186ee8935
commit f5bd002d80
1 changed files with 42 additions and 2 deletions
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44
gen/asmstmt.cpp
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@@ -346,7 +346,34 @@ assert(0);
++p;
}
Logger::println("final asm: %.*s", code->insnTemplateLen, code->insnTemplate);
if (Logger::enabled()) {
Logger::println("final asm: %.*s", code->insnTemplateLen, code->insnTemplate);
std::ostringstream ss;
ss << "GCC-style output constraints: {";
typedef std::deque<std::string>::iterator It;
for (It i = output_constraints.begin(), e = output_constraints.end(); i != e; ++i) {
ss << " " << *i;
}
ss << " }";
Logger::println("%s", ss.str().c_str());
ss.str("");
ss << "GCC-style input constraints: {";
for (It i = input_constraints.begin(), e = input_constraints.end(); i != e; ++i) {
ss << " " << *i;
}
ss << " }";
Logger::println("%s", ss.str().c_str());
ss.str("");
ss << "GCC-style clobbers: {";
for (It i = clobbers.begin(), e = clobbers.end(); i != e; ++i) {
ss << " " << *i;
}
ss << " }";
Logger::println("%s", ss.str().c_str());
}
std::string insnt(code->insnTemplate, code->insnTemplateLen);
@@ -665,14 +692,27 @@ void AsmBlockStatement::toIR(IRState* p)
llvm::FunctionType* fty = llvm::FunctionType::get(retty, types, false);
if (Logger::enabled())
Logger::cout() << "function type = " << *fty << '\n';
llvm::InlineAsm* ia = llvm::InlineAsm::get(fty, code, out_c, true);
std::vector<LLValue*> args;
args.insert(args.end(), outargs.begin(), outargs.end());
args.insert(args.end(), inargs.begin(), inargs.end());
if (Logger::enabled()) {
Logger::cout() << "Arguments:" << '\n';
Logger::indent();
for (std::vector<LLValue*>::iterator b = args.begin(), i = b, e = args.end(); i != e; ++i)
Logger::cout() << '$' << (i - b) << " ==> " << **i;
Logger::undent();
}
llvm::InlineAsm* ia = llvm::InlineAsm::get(fty, code, out_c, true);
llvm::CallInst* call = p->ir->CreateCall(ia, args.begin(), args.end(),
retty == LLType::VoidTy ? "" : "asm");
if (Logger::enabled())
Logger::cout() << "Complete asm statement: " << *call << '\n';
// capture abi return value
if (useabiret)
{