[clang] [llvm] [HLSL] Add -HV option translation to clang-dxc.exe (PR #83938)
Joshua Batista via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 5 15:37:36 PST 2024
https://github.com/bob80905 updated https://github.com/llvm/llvm-project/pull/83938
>From 7453ffdea39c624221c9696394bbd47be7eec662 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Mon, 4 Mar 2024 13:42:02 -0800
Subject: [PATCH 1/5] first try
---
clang/include/clang/Driver/Options.td | 4 ++++
clang/lib/Driver/ToolChains/HLSL.cpp | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index bef38738fde82e..6fe3dea1655b24 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -8545,6 +8545,10 @@ def dxc_entrypoint : Option<["--", "/", "-"], "E", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
HelpText<"Entry point name">;
+def dxc_HlslVersion : Option<["--", "/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
+ Group<dxc_Group>,
+ Visibility<[DXCOption]>,
+ HelpText<"HLSL Version">;
def dxc_validator_path_EQ : Joined<["--"], "dxv-path=">, Group<dxc_Group>,
HelpText<"DXIL validator installation path">;
def dxc_disable_validation : DXCFlag<"Vd">,
diff --git a/clang/lib/Driver/ToolChains/HLSL.cpp b/clang/lib/Driver/ToolChains/HLSL.cpp
index c6ad862b229420..0ffc15155e4db3 100644
--- a/clang/lib/Driver/ToolChains/HLSL.cpp
+++ b/clang/lib/Driver/ToolChains/HLSL.cpp
@@ -226,6 +226,14 @@ HLSLToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
A->claim();
continue;
}
+ if (A->getOption().getID() == options::OPT_HLSL_Version) {
+ // Translate -HV into -std for llvm
+ DAL->AddSeparateArg(nullptr,
+ Opts.getOption(options::OPT_stdlibxx_isystem),
+ A->getValue());
+ A->claim();
+ continue;
+ }
DAL->append(A);
}
>From 69953d737b842f2144ebe0519d810c57b5c031b9 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Mon, 4 Mar 2024 17:11:37 -0800
Subject: [PATCH 2/5] add HV option, and translation test
---
clang/include/clang/Driver/Options.td | 2 +-
clang/lib/Driver/ToolChains/HLSL.cpp | 22 ++++++++++++++++++----
clang/test/Options/HV.hlsl | 13 +++++++++++++
3 files changed, 32 insertions(+), 5 deletions(-)
create mode 100644 clang/test/Options/HV.hlsl
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 6fe3dea1655b24..c4caf232887b56 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -8545,7 +8545,7 @@ def dxc_entrypoint : Option<["--", "/", "-"], "E", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
HelpText<"Entry point name">;
-def dxc_HlslVersion : Option<["--", "/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
+def dxc_hlsl_version : Option<["--", "/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
HelpText<"HLSL Version">;
diff --git a/clang/lib/Driver/ToolChains/HLSL.cpp b/clang/lib/Driver/ToolChains/HLSL.cpp
index 0ffc15155e4db3..fe258919dedf3e 100644
--- a/clang/lib/Driver/ToolChains/HLSL.cpp
+++ b/clang/lib/Driver/ToolChains/HLSL.cpp
@@ -226,11 +226,25 @@ HLSLToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
A->claim();
continue;
}
- if (A->getOption().getID() == options::OPT_HLSL_Version) {
+ if (A->getOption().getID() == options::OPT_dxc_hlsl_version) {
// Translate -HV into -std for llvm
- DAL->AddSeparateArg(nullptr,
- Opts.getOption(options::OPT_stdlibxx_isystem),
- A->getValue());
+ // depending on the value given, assign std to:
+ // c++14,c++17,c++20,c++latest,c11,c17
+ const char *value = A->getValue();
+ if (strcmp(value, "2016") == 0) {
+ DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
+ "hlsl2016");
+ } else if (strcmp(value, "2017") == 0) {
+ DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
+ "hlsl2017");
+ } else if (strcmp(value, "2018") == 0) {
+ DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
+ "hlsl2018");
+ } else if (strcmp(value, "2021") == 0) {
+ DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
+ "hlsl2021");
+ }
+
A->claim();
continue;
}
diff --git a/clang/test/Options/HV.hlsl b/clang/test/Options/HV.hlsl
new file mode 100644
index 00000000000000..59158ff2f001ed
--- /dev/null
+++ b/clang/test/Options/HV.hlsl
@@ -0,0 +1,13 @@
+// RUN: %clang_dxc -T lib_6_4 -HV 2016 %s 2>&1 -### | FileCheck -check-prefix=2016 %s
+// RUN: %clang_dxc -T lib_6_4 -HV 2017 %s 2>&1 -### | FileCheck -check-prefix=2017 %s
+// RUN: %clang_dxc -T lib_6_4 -HV 2018 %s 2>&1 -### | FileCheck -check-prefix=2018 %s
+// RUN: %clang_dxc -T lib_6_4 -HV 2021 %s 2>&1 -### | FileCheck -check-prefix=2021 %s
+
+// 2016: "-std=hlsl2016"
+// 2017: "-std=hlsl2017"
+// 2018: "-std=hlsl2018"
+// 2021: "-std=hlsl2021"
+float4 main(float4 a : A) : SV_TARGET
+{
+ return -a.yxxx;
+}
\ No newline at end of file
>From 87ae56a7d129e0f04197757d50189a3921c75161 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Tue, 5 Mar 2024 10:55:52 -0800
Subject: [PATCH 3/5] address Justin
---
clang/include/clang/Driver/Options.td | 2 +-
clang/test/Options/HV.hlsl | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index c4caf232887b56..541d3e954a4e2b 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -8545,7 +8545,7 @@ def dxc_entrypoint : Option<["--", "/", "-"], "E", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
HelpText<"Entry point name">;
-def dxc_hlsl_version : Option<["--", "/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
+def dxc_hlsl_version : Option<["/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
HelpText<"HLSL Version">;
diff --git a/clang/test/Options/HV.hlsl b/clang/test/Options/HV.hlsl
index 59158ff2f001ed..e17cdfec1127cc 100644
--- a/clang/test/Options/HV.hlsl
+++ b/clang/test/Options/HV.hlsl
@@ -1,7 +1,7 @@
// RUN: %clang_dxc -T lib_6_4 -HV 2016 %s 2>&1 -### | FileCheck -check-prefix=2016 %s
// RUN: %clang_dxc -T lib_6_4 -HV 2017 %s 2>&1 -### | FileCheck -check-prefix=2017 %s
-// RUN: %clang_dxc -T lib_6_4 -HV 2018 %s 2>&1 -### | FileCheck -check-prefix=2018 %s
-// RUN: %clang_dxc -T lib_6_4 -HV 2021 %s 2>&1 -### | FileCheck -check-prefix=2021 %s
+// RUN: %clang_dxc -T lib_6_4 /HV 2018 %s 2>&1 -### | FileCheck -check-prefix=2018 %s
+// RUN: %clang_dxc -T lib_6_4 /HV 2021 %s 2>&1 -### | FileCheck -check-prefix=2021 %s
// 2016: "-std=hlsl2016"
// 2017: "-std=hlsl2017"
>From 79f5172bc97fb2c8591d46198e8eee7beaa66786 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Tue, 5 Mar 2024 15:20:09 -0800
Subject: [PATCH 4/5] address Chris
---
.../clang/Basic/DiagnosticDriverKinds.td | 3 ++
clang/include/clang/Driver/Options.td | 3 +-
clang/lib/Driver/ToolChains/HLSL.cpp | 41 ++++++++++++++-----
clang/test/Options/HV.hlsl | 7 +++-
llvm/include/llvm/Option/OptTable.h | 6 +++
5 files changed, 47 insertions(+), 13 deletions(-)
diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td
index 1bc9885849d54b..c2ce342cac3bf1 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -753,6 +753,9 @@ def err_drv_hlsl_bad_shader_required_in_target : Error<
def err_drv_hlsl_bad_shader_unsupported : Error<
"%select{shader model|Vulkan environment|shader stage}0 '%1' in target '%2' is invalid for HLSL code generation">;
+def err_drv_hlsl_dxc_bad_argument_value : Error<
+ "'%0' dxc argument has invalid value '%1'">;
+
def warn_drv_dxc_missing_dxv : Warning<"dxv not found. "
"Resulting DXIL will not be validated or signed for use in release environments.">,
InGroup<DXILValidation>;
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 541d3e954a4e2b..3f0781e3efb98b 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -8548,7 +8548,8 @@ def dxc_entrypoint : Option<["--", "/", "-"], "E", KIND_JOINED_OR_SEPARATE>,
def dxc_hlsl_version : Option<["/", "-"], "HV", KIND_JOINED_OR_SEPARATE>,
Group<dxc_Group>,
Visibility<[DXCOption]>,
- HelpText<"HLSL Version">;
+ HelpText<"HLSL Version">,
+ Values<"2016, 2017, 2018, 2021, 202x">;
def dxc_validator_path_EQ : Joined<["--"], "dxv-path=">, Group<dxc_Group>,
HelpText<"DXIL validator installation path">;
def dxc_disable_validation : DXCFlag<"Vd">,
diff --git a/clang/lib/Driver/ToolChains/HLSL.cpp b/clang/lib/Driver/ToolChains/HLSL.cpp
index fe258919dedf3e..5692d1ea061c9e 100644
--- a/clang/lib/Driver/ToolChains/HLSL.cpp
+++ b/clang/lib/Driver/ToolChains/HLSL.cpp
@@ -228,21 +228,40 @@ HLSLToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
}
if (A->getOption().getID() == options::OPT_dxc_hlsl_version) {
// Translate -HV into -std for llvm
- // depending on the value given, assign std to:
- // c++14,c++17,c++20,c++latest,c11,c17
- const char *value = A->getValue();
- if (strcmp(value, "2016") == 0) {
+ // depending on the value given
+ llvm::StringRef value(A->getValue());
+ llvm::StringRef acceptedValues(
+ Opts.getOptionValues(options::OPT_dxc_hlsl_version));
+ llvm::SmallVector<StringRef, 8> validValues;
+ acceptedValues.split(validValues, ", ");
+ if (value == validValues[0]) {
+ LangStandard l =
+ LangStandard::getLangStandardForKind(LangStandard::lang_hlsl2016);
DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
- "hlsl2016");
- } else if (strcmp(value, "2017") == 0) {
+ l.getName());
+ } else if (value == validValues[1]) {
+ LangStandard l =
+ LangStandard::getLangStandardForKind(LangStandard::lang_hlsl2017);
DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
- "hlsl2017");
- } else if (strcmp(value, "2018") == 0) {
+ l.getName());
+ } else if (value == validValues[2]) {
+ LangStandard l =
+ LangStandard::getLangStandardForKind(LangStandard::lang_hlsl2018);
DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
- "hlsl2018");
- } else if (strcmp(value, "2021") == 0) {
+ l.getName());
+ } else if (value == validValues[3]) {
+ LangStandard l =
+ LangStandard::getLangStandardForKind(LangStandard::lang_hlsl2021);
DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
- "hlsl2021");
+ l.getName());
+ } else if (value == validValues[4]) {
+ LangStandard l =
+ LangStandard::getLangStandardForKind(LangStandard::lang_hlsl202x);
+ DAL->AddSeparateArg(nullptr, Opts.getOption(options::OPT_std_EQ),
+ l.getName());
+ } else {
+ getDriver().Diag(diag::err_drv_hlsl_dxc_bad_argument_value)
+ << "HV" << value;
}
A->claim();
diff --git a/clang/test/Options/HV.hlsl b/clang/test/Options/HV.hlsl
index e17cdfec1127cc..497591aa5900f7 100644
--- a/clang/test/Options/HV.hlsl
+++ b/clang/test/Options/HV.hlsl
@@ -2,12 +2,17 @@
// RUN: %clang_dxc -T lib_6_4 -HV 2017 %s 2>&1 -### | FileCheck -check-prefix=2017 %s
// RUN: %clang_dxc -T lib_6_4 /HV 2018 %s 2>&1 -### | FileCheck -check-prefix=2018 %s
// RUN: %clang_dxc -T lib_6_4 /HV 2021 %s 2>&1 -### | FileCheck -check-prefix=2021 %s
+// RUN: %clang_dxc -T lib_6_4 /HV 202x %s 2>&1 -### | FileCheck -check-prefix=202x %s
+// RUN: not %clang_dxc -T lib_6_4 /HV gibberish -### %s 2>&1 | FileCheck -check-prefix=CHECK-ERR %s
// 2016: "-std=hlsl2016"
// 2017: "-std=hlsl2017"
// 2018: "-std=hlsl2018"
// 2021: "-std=hlsl2021"
+// 202x: "-std=hlsl202x"
+// CHECK-ERR: error: 'HV' dxc argument has invalid value 'gibberish'
float4 main(float4 a : A) : SV_TARGET
{
return -a.yxxx;
-}
\ No newline at end of file
+}
+
diff --git a/llvm/include/llvm/Option/OptTable.h b/llvm/include/llvm/Option/OptTable.h
index bb3b665a16319f..a3106374543302 100644
--- a/llvm/include/llvm/Option/OptTable.h
+++ b/llvm/include/llvm/Option/OptTable.h
@@ -154,6 +154,12 @@ class OptTable {
return getInfo(id).MetaVar;
}
+ /// Get the meta-variable name to use when describing
+ /// this options values in the help text.
+ const char *getOptionValues(OptSpecifier id) const {
+ return getInfo(id).Values;
+ }
+
/// Specify the environment variable where initial options should be read.
void setInitialOptionsFromEnvironment(const char *E) { EnvVar = E; }
>From 443e85523d612ed163af5d405262f9a5a8f271f2 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Tue, 5 Mar 2024 15:27:33 -0800
Subject: [PATCH 5/5] clarify comment, format
---
llvm/include/llvm/Option/OptTable.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/llvm/include/llvm/Option/OptTable.h b/llvm/include/llvm/Option/OptTable.h
index a3106374543302..11c528c95f150d 100644
--- a/llvm/include/llvm/Option/OptTable.h
+++ b/llvm/include/llvm/Option/OptTable.h
@@ -154,8 +154,8 @@ class OptTable {
return getInfo(id).MetaVar;
}
- /// Get the meta-variable name to use when describing
- /// this options values in the help text.
+ /// Get the string of acceptable argument value choices
+ /// that could be supplied to this option.
const char *getOptionValues(OptSpecifier id) const {
return getInfo(id).Values;
}
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