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Only initialize targets that are actually supported / linked to in RustWrapper

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Zack Corr 2012-07-21 17:20:45 +10:00 • committed by Graydon Hoare
parent de5c15edfb
commit 480fa7c00e
2 changed files with 18 additions and 4 deletions
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20
src/rustllvm/RustWrapper.cpp
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@ -75,6 +75,12 @@ extern "C" bool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src) {
return true;
}
void LLVMInitializeX86TargetInfo();
void LLVMInitializeX86Target();
void LLVMInitializeX86TargetMC();
void LLVMInitializeX86AsmPrinter();
void LLVMInitializeX86AsmParser();
extern "C" bool
LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
LLVMModuleRef M,
@ -84,10 +90,16 @@ LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
CodeGenOpt::Level OptLevel,
bool EnableSegmentedStacks) {
InitializeAllTargets();
InitializeAllTargetMCs();
InitializeAllAsmPrinters();
InitializeAllAsmParsers();
// Only initialize the platforms supported by Rust here,
// because using --llvm-root will have multiple platforms
// that rustllvm doesn't actually link to and it's pointless to put target info
// into the registry that Rust can not generate machine code for.
LLVMInitializeX86TargetInfo();
LLVMInitializeX86Target();
LLVMInitializeX86TargetMC();
LLVMInitializeX86AsmPrinter();
LLVMInitializeX86AsmParser();
TargetOptions Options;
Options.NoFramePointerElim = true;