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[SYCLomatic][CMake] Add migration of CUDA specific option "--use_fast_math" and "-use_fast_math" #2014

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May 28, 2024
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[SYCLomatic][CMake] Add migration of CUDA specific option "--use_fast_math" and "-use_fast_math" #2014

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10 changes: 10 additions & 0 deletions clang/test/dpct/cmake_migration/case_045/case_045_use_fast_math.cpp
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// RUN: rm -rf %T && mkdir -p %T
// RUN: cd %T
// RUN: cp %S/input.cmake ./input.cmake
// RUN: dpct -in-root ./ -out-root out ./input.cmake --migrate-build-script-only
// RUN: echo "begin" > %T/diff.txt
// RUN: diff --strip-trailing-cr %S/expected.txt %T/out/input.cmake >> %T/diff.txt
// RUN: echo "end" >> %T/diff.txt

// CHECK: begin
// CHECK-NEXT: end
13 changes: 13 additions & 0 deletions clang/test/dpct/cmake_migration/case_045/expected.txt
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# Compiler options
set_source_files_properties(fused_softmax/scaled_masked_softmax.dp.cpp
fused_softmax/scaled_upper_triang_masked_softmax.dp.cpp
fused_softmax/scaled_aligned_causal_masked_softmax.dp.cpp
PROPERTIES
COMPILE_OPTIONS "-ffast-math")

# Compiler options
set_source_files_properties(fused_softmax/scaled_masked_softmax.dp.cpp
fused_softmax/scaled_upper_triang_masked_softmax.dp.cpp
fused_softmax/scaled_aligned_causal_masked_softmax.dp.cpp
PROPERTIES
COMPILE_OPTIONS "-ffast-math")
13 changes: 13 additions & 0 deletions clang/test/dpct/cmake_migration/case_045/input.cmake
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# Compiler options
set_source_files_properties(fused_softmax/scaled_masked_softmax.cu
fused_softmax/scaled_upper_triang_masked_softmax.cu
fused_softmax/scaled_aligned_causal_masked_softmax.cu
PROPERTIES
COMPILE_OPTIONS "--use_fast_math")

# Compiler options
set_source_files_properties(fused_softmax/scaled_masked_softmax.cu
fused_softmax/scaled_upper_triang_masked_softmax.cu
fused_softmax/scaled_aligned_causal_masked_softmax.cu
PROPERTIES
COMPILE_OPTIONS "-use_fast_math")
28 changes: 27 additions & 1 deletion clang/tools/dpct/DpctOptRules/cmake_script_migration_rule.yaml
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Expand Up @@ -2538,4 +2538,30 @@
MatchMode: Full
In: cuda
Out: ""
RuleId: "remove_lib_cuda"
RuleId: "remove_lib_cuda"

- Rule: rule_use_fast_math_one_dash
Kind: CMakeRule
Priority: Fallback
MatchMode: Partial
CmakeSyntax: use_fast_math_one_dash
In: ${func_name}(${value})
Out: ${func_name}(${value})
Subrules:
value:
MatchMode: Full
In: -use_fast_math
Out: -ffast-math

- Rule: rule_use_fast_math_two_dash
Kind: CMakeRule
Priority: Fallback
MatchMode: Partial
CmakeSyntax: use_fast_math_two_dash
In: ${func_name}(${value})
Out: ${func_name}(${value})
Subrules:
value:
MatchMode: Full
In: --use_fast_math
Out: -ffast-math
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