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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
//===--- HLSL.cpp - HLSL ToolChain Implementations --------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "HLSL.h"
#include "CommonArgs.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
using namespace clang::driver;
using namespace clang::driver::tools;
using namespace clang::driver::toolchains;
using namespace clang;
using namespace llvm::opt;
using namespace llvm;
namespace {
const unsigned OfflineLibMinor = 0xF;
bool isLegalShaderModel(Triple &T) {
if (T.getOS() != Triple::OSType::ShaderModel)
return false;
auto Version = T.getOSVersion();
if (Version.getBuild())
return false;
if (Version.getSubminor())
return false;
auto Kind = T.getEnvironment();
switch (Kind) {
default:
return false;
case Triple::EnvironmentType::Vertex:
case Triple::EnvironmentType::Hull:
case Triple::EnvironmentType::Domain:
case Triple::EnvironmentType::Geometry:
case Triple::EnvironmentType::Pixel:
case Triple::EnvironmentType::Compute: {
VersionTuple MinVer(4, 0);
return MinVer <= Version;
} break;
case Triple::EnvironmentType::Library: {
VersionTuple SM6x(6, OfflineLibMinor);
if (Version == SM6x)
return true;
VersionTuple MinVer(6, 3);
return MinVer <= Version;
} break;
case Triple::EnvironmentType::Amplification:
case Triple::EnvironmentType::Mesh: {
VersionTuple MinVer(6, 5);
return MinVer <= Version;
} break;
}
return false;
}
llvm::Optional<std::string> tryParseProfile(StringRef Profile) {
// [ps|vs|gs|hs|ds|cs|ms|as]_[major]_[minor]
SmallVector<StringRef, 3> Parts;
Profile.split(Parts, "_");
if (Parts.size() != 3)
return NoneType();
Triple::EnvironmentType Kind =
StringSwitch<Triple::EnvironmentType>(Parts[0])
.Case("ps", Triple::EnvironmentType::Pixel)
.Case("vs", Triple::EnvironmentType::Vertex)
.Case("gs", Triple::EnvironmentType::Geometry)
.Case("hs", Triple::EnvironmentType::Hull)
.Case("ds", Triple::EnvironmentType::Domain)
.Case("cs", Triple::EnvironmentType::Compute)
.Case("lib", Triple::EnvironmentType::Library)
.Case("ms", Triple::EnvironmentType::Mesh)
.Case("as", Triple::EnvironmentType::Amplification)
.Default(Triple::EnvironmentType::UnknownEnvironment);
if (Kind == Triple::EnvironmentType::UnknownEnvironment)
return NoneType();
unsigned long long Major = 0;
if (llvm::getAsUnsignedInteger(Parts[1], 0, Major))
return NoneType();
unsigned long long Minor = 0;
if (Parts[2] == "x" && Kind == Triple::EnvironmentType::Library)
Minor = OfflineLibMinor;
else if (llvm::getAsUnsignedInteger(Parts[2], 0, Minor))
return NoneType();
// dxil-unknown-shadermodel-hull
llvm::Triple T;
T.setArch(Triple::ArchType::dxil);
T.setOSName(Triple::getOSTypeName(Triple::OSType::ShaderModel).str() +
VersionTuple(Major, Minor).getAsString());
T.setEnvironment(Kind);
if (isLegalShaderModel(T))
return T.getTriple();
else
return NoneType();
}
bool isLegalValidatorVersion(StringRef ValVersionStr, const Driver &D) {
VersionTuple Version;
if (Version.tryParse(ValVersionStr) || Version.getBuild() ||
Version.getSubminor() || !Version.getMinor()) {
D.Diag(diag::err_drv_invalid_format_dxil_validator_version)
<< ValVersionStr;
return false;
}
uint64_t Major = Version.getMajor();
uint64_t Minor = *Version.getMinor();
if (Major == 0 && Minor != 0) {
D.Diag(diag::err_drv_invalid_empty_dxil_validator_version) << ValVersionStr;
return false;
}
VersionTuple MinVer(1, 0);
if (Version < MinVer) {
D.Diag(diag::err_drv_invalid_range_dxil_validator_version) << ValVersionStr;
return false;
}
return true;
}
} // namespace
/// DirectX Toolchain
HLSLToolChain::HLSLToolChain(const Driver &D, const llvm::Triple &Triple,
const ArgList &Args)
: ToolChain(D, Triple, Args) {}
llvm::Optional<std::string>
clang::driver::toolchains::HLSLToolChain::parseTargetProfile(
StringRef TargetProfile) {
return tryParseProfile(TargetProfile);
}
DerivedArgList *
HLSLToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
Action::OffloadKind DeviceOffloadKind) const {
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
const OptTable &Opts = getDriver().getOpts();
for (Arg *A : Args) {
if (A->getOption().getID() == options::OPT_dxil_validator_version) {
StringRef ValVerStr = A->getValue();
std::string ErrorMsg;
if (!isLegalValidatorVersion(ValVerStr, getDriver()))
continue;
}
if (A->getOption().getID() == options::OPT_emit_pristine_llvm) {
// Translate fcgl into -S -emit-llvm and -disable-llvm-passes.
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_S));
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_emit_llvm));
DAL->AddFlagArg(nullptr,
Opts.getOption(options::OPT_disable_llvm_passes));
A->claim();
continue;
}
DAL->append(A);
}
// Add default validator version if not set.
// TODO: remove this once read validator version from validator.
if (!DAL->hasArg(options::OPT_dxil_validator_version)) {
const StringRef DefaultValidatorVer = "1.7";
DAL->AddSeparateArg(nullptr,
Opts.getOption(options::OPT_dxil_validator_version),
DefaultValidatorVer);
}
// FIXME: add validation for enable_16bit_types should be after HLSL 2018 and
// shader model 6.2.
return DAL;
}
|
