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rustc: Add support of generating LLVM assembly

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rustc generates output files in LLVM bitcode format if "--emit-llvm"
option is given. When used with the "-S" option, rustc generates LLVM
intermediate language assembly files.

Fixes Issue #476
This commit is contained in:
Haitao Li 2011-11-07 21:32:13 +08:00
parent f3468d03a2
commit b12de98814
5 changed files with 32 additions and 5 deletions
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12
src/rustllvm/RustWrapper.cpp
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@ -15,6 +15,7 @@
#include "llvm/Linker.h"
#include "llvm/PassManager.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
@ -46,6 +47,17 @@ extern "C" const char *LLVMRustGetLastError(void) {
extern "C" void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM);
extern "C" void LLVMRustAddPrintModulePass(LLVMPassManagerRef PMR,
LLVMModuleRef M,
const char* path) {
PassManager *PM = unwrap<PassManager>(PMR);
std::string ErrorInfo;
raw_fd_ostream OS(path, ErrorInfo, raw_fd_ostream::F_Binary);
formatted_raw_ostream FOS(OS);
PM->add(createPrintModulePass(&FOS));
PM->run(*unwrap(M));
}
extern "C" bool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src) {
static std::string err;