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Add emit command-line option (#580)

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Add emit command-line option
This commit is contained in:
Marc Tiehuis
2017-11-04 02:09:33 +13:00
committed by Andrew Kelley
parent a31b23c46b
commit 795703a39c
8 changed files with 126 additions and 25 deletions
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36
src/zig_llvm.cpp
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@@ -77,7 +77,7 @@ static const bool assertions_on = false;
#endif
bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machine_ref, LLVMModuleRef module_ref,
const char *filename, LLVMCodeGenFileType file_type, char **error_message, bool is_debug)
const char *filename, ZigLLVM_EmitOutputType output_type, char **error_message, bool is_debug)
{
std::error_code EC;
raw_fd_ostream dest(filename, EC, sys::fs::F_None);
@@ -135,18 +135,24 @@ bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machine_ref, LLVMM
MPM.add(createTargetTransformInfoWrapperPass(target_machine->getTargetIRAnalysis()));
PMBuilder->populateModulePassManager(MPM);
// Set output pass.
TargetMachine::CodeGenFileType ft;
switch (file_type) {
case LLVMAssemblyFile:
ft = TargetMachine::CGFT_AssemblyFile;
break;
default:
ft = TargetMachine::CGFT_ObjectFile;
break;
}
if (target_machine->addPassesToEmitFile(MPM, dest, ft)) {
*error_message = strdup("TargetMachine can't emit a file of this type");
return true;
if (output_type != ZigLLVM_EmitLLVMIr) {
switch (output_type) {
case ZigLLVM_EmitAssembly:
ft = TargetMachine::CGFT_AssemblyFile;
break;
case ZigLLVM_EmitBinary:
ft = TargetMachine::CGFT_ObjectFile;
break;
default:
abort();
}
if (target_machine->addPassesToEmitFile(MPM, dest, ft)) {
*error_message = strdup("TargetMachine can't emit a file of this type");
return true;
}
}
// run per function optimization passes
@@ -158,7 +164,11 @@ bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machine_ref, LLVMM
MPM.run(*module);
dest.close();
if (output_type == ZigLLVM_EmitLLVMIr) {
if (LLVMPrintModuleToFile(module_ref, filename, error_message)) {
return true;
}
}
return false;
}