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Eliminate asm parser's dependency on TargetMachine:

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- Each target asm parser now creates its own MCSubtatgetInfo (if needed).
- Changed AssemblerPredicate to take subtarget features which tablegen uses
  to generate asm matcher subtarget feature queries. e.g.
  "ModeThumb,FeatureThumb2" is translated to
  "(Bits & ModeThumb) != 0 && (Bits & FeatureThumb2) != 0".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134678 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-07-08 01:53:10 +00:00
parent 1fb0955cab
commit ebdeeab812
49 changed files with 318 additions and 297 deletions
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lib/CodeGen/LLVMTargetMachine.cpp
+10 -10
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@@ -98,10 +98,10 @@ static cl::opt<cl::boolOrDefault>
EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
LLVMTargetMachine::LLVMTargetMachine(const Target &T,
const std::string &Triple)
: TargetMachine(T), TargetTriple(Triple) {
AsmInfo = T.createAsmInfo(TargetTriple);
LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
StringRef CPU, StringRef FS)
: TargetMachine(T, Triple, CPU, FS) {
AsmInfo = T.createAsmInfo(Triple);
}
// Set the default code model for the JIT for a generic target.
@@ -143,7 +143,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
TargetAsmBackend *TAB = 0;
if (ShowMCEncoding) {
MCE = getTarget().createCodeEmitter(*this, *Context);
TAB = getTarget().createAsmBackend(TargetTriple);
TAB = getTarget().createAsmBackend(getTargetTriple());
}
MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
@@ -160,12 +160,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Context);
TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
if (MCE == 0 || TAB == 0)
return true;
AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
*TAB, Out, MCE,
AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(),
*Context, *TAB, Out, MCE,
hasMCRelaxAll(),
hasMCNoExecStack()));
AsmStreamer.get()->InitSections();
@@ -241,12 +241,12 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Ctx);
TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
if (MCE == 0 || TAB == 0)
return true;
OwningPtr<MCStreamer> AsmStreamer;
AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Ctx,
AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(), *Ctx,
*TAB, Out, MCE,
hasMCRelaxAll(),
hasMCNoExecStack()));