1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
//===-- TGSITargetMachine.cpp - Define TargetMachine for TGSI -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the TGSI specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#include "TGSI.h"
#include "TGSITargetMachine.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
namespace {
class TGSIPassConfig : public TargetPassConfig {
public:
TGSIPassConfig(TGSITargetMachine *TM, PassManagerBase &PM)
: TargetPassConfig(TM, PM) {}
TGSITargetMachine &getTGSITargetMachine() const {
return getTM<TGSITargetMachine>();
}
virtual bool addInstSelector();
};
}
extern "C" void LLVMInitializeTGSITarget() {
RegisterTargetMachine<TGSITargetMachine> X(TheTGSITarget);
}
static std::string computeDataLayout(const Triple &TT, StringRef CPU,
const TargetOptions &Options) {
return std::string("E-p:32:32-i64:64:64-f32:32:32-n32");
}
TGSITargetMachine::TGSITargetMachine(const Target &T, const Triple &TT,
StringRef CPU, StringRef FS,
const TargetOptions &Options,
Optional<llvm::Reloc::Model> RM,
CodeModel::Model CM,
CodeGenOpt::Level OL)
// TGSI does not support linking (only supports building a single file)
// So we always use Reloc::Static
: LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options),
TT, CPU, FS, Options, Reloc::Static, CM, OL),
TLOF(make_unique<TargetLoweringObjectFileELF>()),
Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
TargetPassConfig *TGSITargetMachine::createPassConfig(PassManagerBase &PM) {
return new TGSIPassConfig(this, PM);
}
bool TGSIPassConfig::addInstSelector() {
addPass(createTGSIISelDag(getTGSITargetMachine()));
return false;
}
|
