[clang] [llvm] [HLSL][SPIR-V] Add Vulkan to target triple (PR #76749)

Natalie Chouinard via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 2 12:02:19 PST 2024


https://github.com/sudonatalie created https://github.com/llvm/llvm-project/pull/76749

Add support for specifying the logical SPIR-V target environment in the triple as Vulkan. When compiling HLSL, this replaces the DirectX Shader Model with a Vulkan environment instead.

Currently, the only supported combinations of SPIR-V version and Vulkan environment are:
- Vulkan 1.2 and SPIR-V 1.5
- Vulkan 1.3 and SPIR-V 1.6

Fixes #70051

>From 6141382cebfe0a40c054b2ce7539ec6ff85f3c14 Mon Sep 17 00:00:00 2001
From: Natalie Chouinard <chouinard at google.com>
Date: Fri, 15 Dec 2023 20:50:43 +0000
Subject: [PATCH] [HLSL][SPIR-V] Add Vulkan to target triple

Add support for specifying the logical SPIR-V target environment in the
triple as Vulkan. When compiling HLSL, this replaces the DirectX Shader
Model with a Vulkan environment instead.

Currently, the only supported combinations of SPIR-V version and Vulkan
environment are:
- Vulkan 1.2 and SPIR-V 1.5
- Vulkan 1.3 and SPIR-V 1.6

Fixes #70051
---
 .../clang/Basic/DiagnosticDriverKinds.td      |   4 +-
 clang/lib/Basic/Targets/SPIR.h                |   6 +-
 clang/lib/Frontend/CompilerInvocation.cpp     |  27 +++--
 .../test/Driver/hlsl-lang-targets-spirv.hlsl  |  28 +++--
 llvm/include/llvm/TargetParser/Triple.h       |  10 +-
 llvm/lib/TargetParser/Triple.cpp              |  32 +++++-
 llvm/unittests/TargetParser/TripleTest.cpp    | 102 ++++++++----------
 7 files changed, 129 insertions(+), 80 deletions(-)

diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td
index 676f1a62b49dd0..2e5ac4f349c0fd 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -735,10 +735,10 @@ def err_drv_dxc_missing_target_profile : Error<
 def err_drv_hlsl_unsupported_target : Error<
   "HLSL code generation is unsupported for target '%0'">;
 def err_drv_hlsl_bad_shader_required_in_target : Error<
-  "shader %select{model|stage}0 is required in target '%1' for HLSL code generation">;
+  "%select{shader model|Vulkan environment|shader stage}0 is required as %select{OS|environment}1 in target '%2' for HLSL code generation">;
 
 def err_drv_hlsl_bad_shader_unsupported : Error<
-  "shader %select{model|stage}0 '%1' in target '%2' is invalid for HLSL code generation">;
+  "%select{shader model|Vulkan environment|shader stage}0 '%1' in target '%2' is invalid for HLSL code generation">;
 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/lib/Basic/Targets/SPIR.h b/clang/lib/Basic/Targets/SPIR.h
index 9ab2b7c6093639..fa4a3bb1c82eed 100644
--- a/clang/lib/Basic/Targets/SPIR.h
+++ b/clang/lib/Basic/Targets/SPIR.h
@@ -17,6 +17,7 @@
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/TargetOptions.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/VersionTuple.h"
 #include "llvm/TargetParser/Triple.h"
 #include <optional>
 
@@ -301,8 +302,9 @@ class LLVM_LIBRARY_VISIBILITY SPIRVTargetInfo : public BaseSPIRVTargetInfo {
       : BaseSPIRVTargetInfo(Triple, Opts) {
     assert(Triple.getArch() == llvm::Triple::spirv &&
            "Invalid architecture for Logical SPIR-V.");
-    assert(Triple.getOS() == llvm::Triple::ShaderModel &&
-           "Logical SPIR-V requires a valid ShaderModel.");
+    assert(Triple.getOS() == llvm::Triple::Vulkan &&
+           Triple.getVulkanVersion() != llvm::VersionTuple(0) &&
+           "Logical SPIR-V requires a valid Vulkan environment.");
     assert(Triple.getEnvironment() >= llvm::Triple::Pixel &&
            Triple.getEnvironment() <= llvm::Triple::Amplification &&
            "Logical SPIR-V environment must be a valid shader stage.");
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 11f3f2c2d6425c..7e211ea24df2ae 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -4236,20 +4236,35 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
     // TODO: Revisit restricting SPIR-V to logical once we've figured out how to
     // handle PhysicalStorageBuffer64 memory model
     if (T.isDXIL() || T.isSPIRVLogical()) {
-      enum { ShaderModel, ShaderStage };
+      enum { ShaderModel, VulkanEnv, ShaderStage };
+      enum { OS, Environment };
+
+      int ExpectedOS = T.isSPIRVLogical() ? VulkanEnv : ShaderModel;
+
       if (T.getOSName().empty()) {
         Diags.Report(diag::err_drv_hlsl_bad_shader_required_in_target)
-            << ShaderModel << T.str();
-      } else if (!T.isShaderModelOS() || T.getOSVersion() == VersionTuple(0)) {
-        Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported)
-            << ShaderModel << T.getOSName() << T.str();
+            << ExpectedOS << OS << T.str();
       } else if (T.getEnvironmentName().empty()) {
         Diags.Report(diag::err_drv_hlsl_bad_shader_required_in_target)
-            << ShaderStage << T.str();
+            << ShaderStage << Environment << T.str();
       } else if (!T.isShaderStageEnvironment()) {
         Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported)
             << ShaderStage << T.getEnvironmentName() << T.str();
       }
+
+      if (T.isDXIL()) {
+        if (!T.isShaderModelOS() || T.getOSVersion() == VersionTuple(0)) {
+          Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported)
+              << ShaderModel << T.getOSName() << T.str();
+        }
+      }
+
+      if (T.isSPIRVLogical()) {
+        if (!T.isVulkanOS() || T.getVulkanVersion() == VersionTuple(0)) {
+          Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported)
+              << VulkanEnv << T.getOSName() << T.str();
+        }
+      }
     } else
       Diags.Report(diag::err_drv_hlsl_unsupported_target) << T.str();
   }
diff --git a/clang/test/Driver/hlsl-lang-targets-spirv.hlsl b/clang/test/Driver/hlsl-lang-targets-spirv.hlsl
index e04d71263770bb..b86c2e01f8d80e 100644
--- a/clang/test/Driver/hlsl-lang-targets-spirv.hlsl
+++ b/clang/test/Driver/hlsl-lang-targets-spirv.hlsl
@@ -3,29 +3,39 @@
 // Supported targets
 //
 // RUN: %clang -target dxil-unknown-shadermodel6.2-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
-// RUN: %clang -target spirv-unknown-shadermodel6.2-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
+// RUN: %clang -target spirv-unknown-vulkan-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
+// RUN: %clang -target spirv-unknown-vulkan1.2-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
+// RUN: %clang -target spirv-unknown-vulkan1.3-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
+// RUN: %clang -target spirv1.5-unknown-vulkan1.2-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
+// RUN: %clang -target spirv1.6-unknown-vulkan1.3-compute %s -S -o /dev/null 2>&1 | FileCheck --allow-empty --check-prefix=CHECK-VALID %s
 
-// Empty shader model
+// Empty Vulkan environment
 //
 // RUN: not %clang -target spirv %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-NO-OS %s
 
-// Invalid shader models
+// Invalid Vulkan environment
 //
-// RUN: not %clang -target spirv--unknown %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-OS %s
+// RUN: not %clang -target spirv--shadermodel %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-OS %s
+// RUN: not %clang -target spirv-unknown-vulkan1.0-compute %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-OS %s
+// RUN: not %clang -target spirv1.5-unknown-vulkan1.3-compute %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-OS %s
+
+// Invalid SPIR-V version
+// RUN: not %clang -target spirv1.0-unknown-vulkan-compute %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-TARGET %s
 
 // Empty shader stage
 //
-// RUN: not %clang -target spirv--shadermodel6.2 %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-NO-ENV %s
+// RUN: not %clang -target spirv--vulkan %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-NO-ENV %s
 
 // Invalid shader stages
 //
-// RUN: not %clang -target spirv--shadermodel6.2-unknown %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-ENV %s
+// RUN: not %clang -target spirv--vulkan-unknown %s -S -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK-BAD-ENV %s
 
 // CHECK-VALID-NOT: error:
-// CHECK-NO-OS: error: shader model is required in target '{{.*}}' for HLSL code generation
-// CHECK-BAD-OS: error: shader model '{{.*}}' in target '{{.*}}' is invalid for HLSL code generation
-// CHECK-NO-ENV: error: shader stage is required in target '{{.*}}' for HLSL code generation
+// CHECK-NO-OS: error: Vulkan environment is required as OS in target '{{.*}}' for HLSL code generation
+// CHECK-BAD-OS: error: Vulkan environment '{{.*}}' in target '{{.*}}' is invalid for HLSL code generation
+// CHECK-NO-ENV: error: shader stage is required as environment in target '{{.*}}' for HLSL code generation
 // CHECK-BAD-ENV: error: shader stage '{{.*}}' in target '{{.*}}' is invalid for HLSL code generation
+// CHECK-BAD-TARGET: error: HLSL code generation is unsupported for target '{{.*}}'
 
 [shader("compute"), numthreads(1,1,1)]
 void main() {}
diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
index 47904621c0967f..4b3e87e1c3afce 100644
--- a/llvm/include/llvm/TargetParser/Triple.h
+++ b/llvm/include/llvm/TargetParser/Triple.h
@@ -164,6 +164,7 @@ class Triple {
     SPIRVSubArch_v13,
     SPIRVSubArch_v14,
     SPIRVSubArch_v15,
+    SPIRVSubArch_v16,
   };
   enum VendorType {
     UnknownVendor,
@@ -223,7 +224,8 @@ class Triple {
     ShaderModel, // DirectX ShaderModel
     LiteOS,
     Serenity,
-    LastOSType = Serenity
+    Vulkan,      // Vulkan SPIR-V
+    LastOSType = Vulkan
   };
   enum EnvironmentType {
     UnknownEnvironment,
@@ -409,6 +411,10 @@ class Triple {
   /// Parse the version number as with getOSVersion.
   VersionTuple getDriverKitVersion() const;
 
+  /// Parse the Vulkan version number from the OSVersion and SPIR-V version
+  /// (SubArch).  This should only be called with Vulkan SPIR-V triples.
+  VersionTuple getVulkanVersion() const;
+
   /// @}
   /// @name Direct Component Access
   /// @{
@@ -765,6 +771,8 @@ class Triple {
     return getOS() == Triple::ShaderModel;
   }
 
+  bool isVulkanOS() const { return getOS() == Triple::Vulkan; }
+
   bool isShaderStageEnvironment() const {
     EnvironmentType Env = getEnvironment();
     return Env == Triple::Pixel || Env == Triple::Vertex ||
diff --git a/llvm/lib/TargetParser/Triple.cpp b/llvm/lib/TargetParser/Triple.cpp
index e93502187b5492..7e8642bdb71650 100644
--- a/llvm/lib/TargetParser/Triple.cpp
+++ b/llvm/lib/TargetParser/Triple.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/TargetParser/Triple.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"
@@ -273,6 +274,7 @@ StringRef Triple::getOSTypeName(OSType Kind) {
   case ZOS: return "zos";
   case ShaderModel: return "shadermodel";
   case LiteOS: return "liteos";
+  case Vulkan: return "vulkan";
   }
 
   llvm_unreachable("Invalid OSType");
@@ -550,8 +552,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("hsail64", Triple::hsail64)
     .Case("spir", Triple::spir)
     .Case("spir64", Triple::spir64)
-    .Cases("spirv", "spirv1.0", "spirv1.1", "spirv1.2",
-           "spirv1.3", "spirv1.4", "spirv1.5", Triple::spirv)
+    .Cases("spirv", "spirv1.5", "spirv1.6", Triple::spirv)
     .Cases("spirv32", "spirv32v1.0", "spirv32v1.1", "spirv32v1.2",
            "spirv32v1.3", "spirv32v1.4", "spirv32v1.5", Triple::spirv32)
     .Cases("spirv64", "spirv64v1.0", "spirv64v1.1", "spirv64v1.2",
@@ -643,6 +644,7 @@ static Triple::OSType parseOS(StringRef OSName) {
     .StartsWith("shadermodel", Triple::ShaderModel)
     .StartsWith("liteos", Triple::LiteOS)
     .StartsWith("serenity", Triple::Serenity)
+    .StartsWith("vulkan", Triple::Vulkan)
     .Default(Triple::UnknownOS);
 }
 
@@ -727,6 +729,7 @@ static Triple::SubArchType parseSubArch(StringRef SubArchName) {
         .EndsWith("v1.3", Triple::SPIRVSubArch_v13)
         .EndsWith("v1.4", Triple::SPIRVSubArch_v14)
         .EndsWith("v1.5", Triple::SPIRVSubArch_v15)
+        .EndsWith("v1.6", Triple::SPIRVSubArch_v16)
         .Default(Triple::NoSubArch);
 
   StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName);
@@ -1328,6 +1331,31 @@ VersionTuple Triple::getDriverKitVersion() const {
   }
 }
 
+VersionTuple Triple::getVulkanVersion() const {
+  if (getArch() != spirv || getOS() != Vulkan)
+    llvm_unreachable("invalid Vulkan SPIR-V triple");
+
+  VersionTuple VulkanVersion = getOSVersion();
+  SubArchType SpirvVersion = getSubArch();
+
+  llvm::DenseMap<VersionTuple, SubArchType> ValidVersionMap = {
+      // Vulkan 1.2 -> SPIR-V 1.5.
+      {VersionTuple(1, 2), SPIRVSubArch_v15},
+      // Vulkan 1.3 -> SPIR-V 1.6.
+      {VersionTuple(1, 3), SPIRVSubArch_v16}};
+
+  // If Vulkan version is unset, default to 1.2.
+  if (VulkanVersion == VersionTuple(0))
+    VulkanVersion = VersionTuple(1, 2);
+
+  if (ValidVersionMap.contains(VulkanVersion) &&
+      (ValidVersionMap.lookup(VulkanVersion) == SpirvVersion ||
+       SpirvVersion == NoSubArch))
+    return VulkanVersion;
+
+  return VersionTuple(0);
+}
+
 void Triple::setTriple(const Twine &Str) {
   *this = Triple(Str);
 }
diff --git a/llvm/unittests/TargetParser/TripleTest.cpp b/llvm/unittests/TargetParser/TripleTest.cpp
index d3bde2986ea2cd..a4b96b664061ce 100644
--- a/llvm/unittests/TargetParser/TripleTest.cpp
+++ b/llvm/unittests/TargetParser/TripleTest.cpp
@@ -319,130 +319,116 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
   EXPECT_EQ(Triple::UnknownOS, T.getOS());
 
-  T = Triple("spirv-unknown-shadermodel-pixel");
+  T = Triple("spirv-unknown-vulkan-pixel");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Pixel, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-vertex");
+  T = Triple("spirv-unknown-vulkan-vertex");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Vertex, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-geometry");
+  T = Triple("spirv-unknown-vulkan-geometry");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Geometry, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-library");
+  T = Triple("spirv-unknown-vulkan-library");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Library, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-raygeneration");
+  T = Triple("spirv-unknown-vulkan-raygeneration");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::RayGeneration, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-intersection");
+  T = Triple("spirv-unknown-vulkan-intersection");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Intersection, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-anyhit");
+  T = Triple("spirv-unknown-vulkan-anyhit");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::AnyHit, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-closesthit");
+  T = Triple("spirv-unknown-vulkan-closesthit");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::ClosestHit, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-miss");
+  T = Triple("spirv-unknown-vulkan-miss");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Miss, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-callable");
+  T = Triple("spirv-unknown-vulkan-callable");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Callable, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-mesh");
+  T = Triple("spirv-unknown-vulkan-mesh");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Mesh, T.getEnvironment());
 
-  T = Triple("spirv-unknown-shadermodel-amplification");
+  T = Triple("spirv-unknown-vulkan-amplification");
   EXPECT_EQ(Triple::spirv, T.getArch());
   EXPECT_EQ(Triple::NoSubArch, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Amplification, T.getEnvironment());
 
-  T = Triple("spirv1.0-unknown-shadermodel-compute");
-  EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v10, T.getSubArch());
-  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
-  EXPECT_EQ(Triple::Compute, T.getEnvironment());
-
-  T = Triple("spirv1.1-unknown-shadermodel-compute");
+  T = Triple("spirv1.5-unknown-vulkan1.2-compute");
   EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v11, T.getSubArch());
-  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
-  EXPECT_EQ(Triple::Compute, T.getEnvironment());
-
-  T = Triple("spirv1.2-unknown-shadermodel-compute");
-  EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v12, T.getSubArch());
-  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
-  EXPECT_EQ(Triple::Compute, T.getEnvironment());
-
-  T = Triple("spirv1.3-unknown-shadermodel-compute");
-  EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v13, T.getSubArch());
-  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
-  EXPECT_EQ(Triple::Compute, T.getEnvironment());
-
-  T = Triple("spirv1.4-unknown-shadermodel-compute");
-  EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v14, T.getSubArch());
+  EXPECT_EQ(Triple::SPIRVSubArch_v15, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 2), T.getVulkanVersion());
   EXPECT_EQ(Triple::Compute, T.getEnvironment());
 
-  T = Triple("spirv1.5-unknown-shadermodel-compute");
+  T = Triple("spirv1.6-unknown-vulkan1.3-compute");
   EXPECT_EQ(Triple::spirv, T.getArch());
-  EXPECT_EQ(Triple::SPIRVSubArch_v15, T.getSubArch());
+  EXPECT_EQ(Triple::SPIRVSubArch_v16, T.getSubArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
-  EXPECT_EQ(Triple::ShaderModel, T.getOS());
+  EXPECT_EQ(Triple::Vulkan, T.getOS());
+  EXPECT_EQ(VersionTuple(1, 3), T.getVulkanVersion());
   EXPECT_EQ(Triple::Compute, T.getEnvironment());
 
   T = Triple("x86_64-unknown-fuchsia");



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