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Use the new subtarget support to automatically choose the correct ABI

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and asm printer for PowerPC if one is not specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22659 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman
2005-08-04 20:49:48 +00:00
parent 2114b273ef
commit 3d72d14887
6 changed files with 35 additions and 18 deletions
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34
lib/Target/PowerPC/PPCTargetMachine.cpp
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@ -19,6 +19,7 @@
#include "PPC64JITInfo.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
@ -30,11 +31,17 @@
using namespace llvm;
bool llvm::GPOPT = false;
PPCTargetEnum llvm::PPCTarget = TargetDefault;
namespace llvm {
cl::opt<bool> AIX("aix",
cl::desc("Generate AIX/xcoff instead of Darwin/MachO"),
cl::Hidden);
cl::opt<PPCTargetEnum, true>
PPCTargetArg(
cl::desc("Force generation of code for a specific PPC target:"),
cl::values(
clEnumValN(TargetAIX, "aix", " Enable AIX codegen"),
clEnumValN(TargetDarwin,"darwin"," Enable Darwin codegen"),
clEnumValEnd),
cl::location(PPCTarget), cl::init(TargetDefault));
cl::opt<bool> EnablePPCLSR("enable-lsr-for-ppc",
cl::desc("Enable LSR for PPC (beta)"),
cl::Hidden);
@ -62,7 +69,12 @@ PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,
const Module &M,
const TargetData &TD,
const PowerPCFrameInfo &TFI)
: TargetMachine(name, IL, TD), FrameInfo(TFI), Subtarget(M) {}
: TargetMachine(name, IL, TD), FrameInfo(TFI), Subtarget(M) {
if (TargetDefault == PPCTarget) {
if (Subtarget.IsAIX()) PPCTarget = TargetAIX;
if (Subtarget.IsDarwin()) PPCTarget = TargetDarwin;
}
}
unsigned PPC32TargetMachine::getJITMatchQuality() {
#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
@ -84,6 +96,7 @@ bool PowerPCTargetMachine::addPassesToEmitFile(PassManager &PM,
if (EnablePPCLSR) {
PM.add(createLoopStrengthReducePass());
PM.add(createVerifierPass());
PM.add(createCFGSimplificationPass());
}
@ -122,10 +135,19 @@ bool PowerPCTargetMachine::addPassesToEmitFile(PassManager &PM,
// Must run branch selection immediately preceding the asm printer
PM.add(createPPCBranchSelectionPass());
if (AIX)
// Decide which asm printer to use. If the user has not specified one on
// the command line, choose whichever one matches the default (current host).
switch (PPCTarget) {
case TargetDefault:
assert(0 && "Default host has no asm printer!");
break;
case TargetAIX:
PM.add(createAIXAsmPrinter(Out, *this));
else
break;
case TargetDarwin:
PM.add(createDarwinAsmPrinter(Out, *this));
break;
}
PM.add(createMachineCodeDeleter());
return false;