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llvm-mc: Support -filetype=null, for timing purposes. 

llvm-svn: 99349
This commit is contained in:
Daniel Dunbar 2010-03-23 23:47:12 +00:00
parent 5cfb58719d
commit b09b8906cb
1 changed files with 5 additions and 0 deletions
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5
llvm/tools/llvm-mc/llvm-mc.cpp
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@ -56,6 +56,7 @@ OutputAsmVariant("output-asm-variant",
cl::desc("Syntax variant to use for output printing"));
enum OutputFileType {
OFT_Null,
OFT_AssemblyFile,
OFT_ObjectFile
};
@ -65,6 +66,8 @@ FileType("filetype", cl::init(OFT_AssemblyFile),
cl::values(
clEnumValN(OFT_AssemblyFile, "asm",
"Emit an assembly ('.s') file"),
clEnumValN(OFT_Null, "null",
"Don't emit anything (for timing purposes)"),
clEnumValN(OFT_ObjectFile, "obj",
"Emit a native object ('.o') file"),
clEnumValEnd));
@ -289,6 +292,8 @@ static int AssembleInput(const char *ProgName) {
CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
Str.reset(createAsmStreamer(Ctx, *Out,TM->getTargetData()->isLittleEndian(),
/*asmverbose*/true, IP, CE.get(), ShowInst));
} else if (FileType == OFT_Null) {
Str.reset(createNullStreamer(Ctx));
} else {
assert(FileType == OFT_ObjectFile && "Invalid file type!");
CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));