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Use subtarget information computed by X86Subtarget instead of rolling our own.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24477 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-11-21 22:39:40 +00:00
parent e5600e5509
commit a35a8e87fa
3 changed files with 22 additions and 29 deletions
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2
lib/Target/X86/X86ATTAsmPrinter.cpp
View File

@ -54,7 +54,7 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
printMachineInstruction(II);
}
}
if (!forDarwin)
if (forELF)
O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
// We didn't modify anything.

47
lib/Target/X86/X86AsmPrinter.cpp
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@ -16,6 +16,7 @@
#include "X86ATTAsmPrinter.h"
#include "X86IntelAsmPrinter.h"
#include "X86Subtarget.h"
#include "X86.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
@ -40,30 +41,16 @@ AsmWriterFlavor("x86-asm-syntax",
/// doInitialization
bool X86SharedAsmPrinter::doInitialization(Module &M) {
bool forCygwin = false;
const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
forELF = false;
forDarwin = false;
forELF = false;
bool forWin32 = false;
const std::string& TT = M.getTargetTriple();
if (TT.length() > 5) {
forCygwin = TT.find("cygwin") != std::string::npos ||
TT.find("mingw") != std::string::npos;
forDarwin = TT.find("darwin") != std::string::npos;
if (!forDarwin && !forCygwin)
forELF = true;
} else if (TT.empty()) {
#if defined(__CYGWIN__) || defined(__MINGW32__)
forCygwin = true;
#elif defined(__APPLE__)
forDarwin = true;
#elif defined(_WIN32)
forWin32 = true;
#else
switch (Subtarget->TargetType) {
case X86Subtarget::isELF:
forELF = true;
#endif
}
if (forDarwin) {
break;
case X86Subtarget::isDarwin:
AlignmentIsInBytes = false;
GlobalPrefix = "_";
Data64bitsDirective = 0; // we can't emit a 64-bit unit
@ -72,12 +59,17 @@ bool X86SharedAsmPrinter::doInitialization(Module &M) {
ConstantPoolSection = "\t.const\n";
LCOMMDirective = "\t.lcomm\t";
COMMDirectiveTakesAlignment = false;
} else if (forCygwin) {
forDarwin = true;
break;
case X86Subtarget::isCygwin:
GlobalPrefix = "_";
COMMDirectiveTakesAlignment = false;
} else if (forWin32) {
break;
case X86Subtarget::isWindows:
GlobalPrefix = "_";
}
break;
default: break;
}
return AsmPrinter::doInitialization(M);
}
@ -87,7 +79,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
// Print out module-level global variables here.
for (Module::const_global_iterator I = M.global_begin(),
E = M.global_end(); I != E; ++I)
E = M.global_end(); I != E; ++I) {
if (I->hasInitializer()) { // External global require no code
O << "\n\n";
std::string name = Mang->getValueName(I);
@ -155,7 +147,8 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
O << "\n";
EmitGlobalConstant(C);
}
}
if (forDarwin) {
SwitchSection("", 0);
// Output stubs for external global variables

2
lib/Target/X86/X86AsmPrinter.h
View File

@ -35,7 +35,7 @@ struct X86SharedAsmPrinter : public AsmPrinter {
bool doFinalization(Module &M);
bool forELF;
bool forDarwin;
bool forDarwin; // FIXME: eliminate.
// Necessary for Darwin to print out the apprioriate types of linker stubs
std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;