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[dcomptue] codegen (#2126)

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* code generation

* simplify logic

* apply clang-format

* Undo completely inane choice by clang-format

* Guard the use of the command line args.
This commit is contained in:
Nicholas Wilson 2017-05-24 08:55:32 +08:00 • committed by GitHub
parent cae9ccd9a4
commit ae6ff33fc1
23 changed files with 378 additions and 92 deletions
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29
gen/dcompute/targetCUDA.cpp
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@ -21,17 +21,20 @@ namespace {
class TargetCUDA : public DComputeTarget {
public:
TargetCUDA(llvm::LLVMContext &c, int sm)
: DComputeTarget(
: DComputeTarget(
c, sm, CUDA, "cuda", "ptx", createNVPTXABI(),
// Map from nominal DCompute address space to NVPTX address space.
// see $LLVM_ROOT/docs/docs/NVPTXUsage.rst section Address Spaces
{{5, 1, 3, 4, 0}}) {
std::string dl = global.params.is64bit ?
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-"
"f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" :
"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-"
"f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64";
std::string dl =
global.params.is64bit
? "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:"
"32-"
"f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
: "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:"
"32-"
"f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64";
_ir = new IRState("dcomputeTargetCUDA", ctx);
_ir->module.setTargetTriple(global.params.is64bit ? "nvptx64-nvidia-cuda"
@ -40,20 +43,20 @@ public:
_ir->dcomputetarget = this;
}
void addMetadata() override {
void addMetadata() override {
// sm version?
}
void setGTargetMachine() override {
char buf[8];
bool is64 = global.params.is64bit;
snprintf(buf, sizeof(buf), "sm_%d", tversion / 10);
gTargetMachine = createTargetMachine(
void setGTargetMachine() override {
char buf[8];
bool is64 = global.params.is64bit;
snprintf(buf, sizeof(buf), "sm_%d", tversion / 10);
gTargetMachine = createTargetMachine(
is64 ? "nvptx64-nvidia-cuda" : "nvptx-nvidia-cuda",
is64 ? "nvptx64" : "nvptx", buf, {},
is64 ? ExplicitBitness::M64 : ExplicitBitness::M32, ::FloatABI::Hard,
llvm::Reloc::Static, llvm::CodeModel::Medium, codeGenOptLevel(), false,
false);
}
}
void addKernelMetadata(FuncDeclaration *df, llvm::Function *llf) override {
// Fix 3.5.2 build failures. Remove when dropping 3.5 support.