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Change createAsmParser to take a MCSubtargetInfo instead of triple,

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CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134795 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-07-09 05:47:46 +00:00
parent 4f4a6fcd16
commit ffc0e73046
30 changed files with 387 additions and 72 deletions
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8
tools/llvm-mc/llvm-mc.cpp
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@ -19,6 +19,7 @@
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Target/TargetAsmBackend.h"
#include "llvm/Target/TargetAsmParser.h"
@ -340,6 +341,9 @@ static int AssembleInput(const char *ProgName) {
TM->getTargetLowering()->getObjFileLowering();
const_cast<TargetLoweringObjectFile&>(TLOF).Initialize(Ctx, *TM);
OwningPtr<MCSubtargetInfo>
STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
if (FileType == OFT_AssemblyFile) {
MCInstPrinter *IP =
@ -371,8 +375,7 @@ static int AssembleInput(const char *ProgName) {
OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
*Str.get(), *MAI));
OwningPtr<TargetAsmParser>
TAP(TheTarget->createAsmParser(TripleName, MCPU, FeaturesStr, *Parser));
OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*STI, *Parser));
if (!TAP) {
errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
@ -448,6 +451,7 @@ int main(int argc, char **argv) {
llvm::InitializeAllTargetInfos();
// FIXME: We shouldn't need to initialize the Target(Machine)s.
llvm::InitializeAllTargets();
llvm::InitializeAllMCSubtargetInfos();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();