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[HLSL][SPIRV] Add option to add all KHR extensions #145536

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Merged
merged 3 commits into from
Jun 26, 2025
Merged

[HLSL][SPIRV] Add option to add all KHR extensions #145536

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af0773c
[HLSL][SPIRV] Add option to add all KHR extensions
s-perron Jun 24, 2025
f31c577
Merge branch 'main' into clang_ext_khr
s-perron Jun 26, 2025
d6161ae
Fix test
s-perron Jun 26, 2025
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6 changes: 4 additions & 2 deletions clang/lib/Driver/ToolChains/HLSL.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -182,13 +182,15 @@ std::string getSpirvExtArg(ArrayRef<std::string> SpvExtensionArgs) {
(Twine("-spirv-ext=+") + SpvExtensionArgs.front()).str();
SpvExtensionArgs = SpvExtensionArgs.slice(1);
for (auto Extension : SpvExtensionArgs) {
LlvmOption = (Twine(LlvmOption) + ",+" + Extension).str();
if (Extension != "KHR")
Extension = (Twine("+") + Extension).str();
LlvmOption = (Twine(LlvmOption) + "," + Extension).str();
}
return LlvmOption;
}

bool isValidSPIRVExtensionName(const std::string &str) {
std::regex pattern("SPV_[a-zA-Z0-9_]+");
std::regex pattern("KHR|SPV_[a-zA-Z0-9_]+");
return std::regex_match(str, pattern);
}

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7 changes: 6 additions & 1 deletion clang/test/Driver/dxc_fspv_extension.hlsl
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Expand Up @@ -10,8 +10,13 @@
// RUN: %clang_dxc -spirv -Tlib_6_7 -### %s -fspv-extension=SPV_TEST1 -fspv-extension=SPV_TEST2 2>&1 | FileCheck %s -check-prefix=TEST2
// TEST2: "-spirv-ext=+SPV_TEST1,+SPV_TEST2"

// Merge KHR with other extensions.
// RUN: %clang_dxc -spirv -Tlib_6_7 -### %s -fspv-extension=SPV_TEST1 -fspv-extension=KHR -fspv-extension=SPV_TEST2 2>&1 | FileCheck %s -check-prefix=TEST3
// TEST3: "-spirv-ext=+SPV_TEST1,KHR,+SPV_TEST2"

// Check for the error message if the extension name is not properly formed.
// RUN: not %clang_dxc -spirv -Tlib_6_7 -### %s -fspv-extension=TEST1 -fspv-extension=SPV_GOOD -fspv-extension=TEST2 2>&1 | FileCheck %s -check-prefix=FAIL
// RUN: not %clang_dxc -spirv -Tlib_6_7 -### %s -fspv-extension=KHR_BAD -fspv-extension=TEST1 -fspv-extension=SPV_GOOD -fspv-extension=TEST2 2>&1 | FileCheck %s -check-prefix=FAIL
// FAIL: invalid value 'KHR_BAD' in '-fspv_extension'
// FAIL: invalid value 'TEST1' in '-fspv_extension'
// FAIL: invalid value 'TEST2' in '-fspv_extension'

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