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[flang] Use precompiled headers in Frontend, Lower, Parser, Semantics and Evaluate #131137

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Merged
merged 5 commits into from
Apr 30, 2025
Merged

[flang] Use precompiled headers in Frontend, Lower, Parser, Semantics and Evaluate #131137

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ce1af26
[flang] Use precompiled headers in Lower, Parser and Semantics
mrkajetanp Mar 10, 2025
7e085b7
[flang] Use precompiled headers in Evaluate
mrkajetanp Mar 13, 2025
cd8c8cc
[flang] Use precompiled headers in Frontend
mrkajetanp Apr 8, 2025
6edd33b
[CMake] Disable precompiled headers for ccache builds on Windows
mrkajetanp Apr 24, 2025
451ecfe
[CMake] Warn when overriding CMAKE_DISABLE_PRECOMPILED_HEADERS
mrkajetanp Apr 29, 2025
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14 changes: 14 additions & 0 deletions flang/lib/Evaluate/CMakeLists.txt
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Expand Up @@ -73,3 +73,17 @@ add_flang_library(FortranEvaluate
acc_gen
omp_gen
)

target_precompile_headers(FortranEvaluate PRIVATE
[["flang/Evaluate/common.h"]]
[["flang/Evaluate/call.h"]]
[["flang/Evaluate/traverse.h"]]
[["flang/Evaluate/shape.h"]]
[["flang/Evaluate/characteristics.h"]]
[["flang/Evaluate/variable.h"]]
[["flang/Evaluate/real.h"]]
[["flang/Evaluate/type.h"]]
[["flang/Evaluate/integer.h"]]
[["flang/Evaluate/expression.h"]]
[["flang/Evaluate/tools.h"]]
)
8 changes: 8 additions & 0 deletions flang/lib/Frontend/CMakeLists.txt
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Expand Up @@ -74,3 +74,11 @@ add_flang_library(flangFrontend
clangBasic
clangDriver
)

target_precompile_headers(flangFrontend PRIVATE
[["flang/Parser/parsing.h"]]
[["flang/Parser/parse-tree.h"]]
[["flang/Parser/dump-parse-tree.h"]]
[["flang/Lower/PFTBuilder.h"]]
[["flang/Lower/Bridge.h"]]
)
11 changes: 11 additions & 0 deletions flang/lib/Lower/CMakeLists.txt
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Expand Up @@ -73,3 +73,14 @@ add_flang_library(FortranLower
MLIRLLVMDialect
MLIRSCFToControlFlow
)

target_precompile_headers(FortranLower PRIVATE
[["flang/Lower/ConvertExpr.h"]]
[["flang/Lower/SymbolMap.h"]]
[["flang/Lower/AbstractConverter.h"]]
[["flang/Lower/IterationSpace.h"]]
[["flang/Lower/CallInterface.h"]]
[["flang/Lower/BoxAnalyzer.h"]]
[["flang/Lower/PFTBuilder.h"]]
[["flang/Lower/DirectivesCommon.h"]]
)
8 changes: 8 additions & 0 deletions flang/lib/Parser/CMakeLists.txt
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Expand Up @@ -36,3 +36,11 @@ add_flang_library(FortranParser
omp_gen
acc_gen
)

target_precompile_headers(FortranParser PRIVATE
[["flang/Parser/parsing.h"]]
[["flang/Parser/parse-tree.h"]]
[["flang/Parser/provenance.h"]]
[["flang/Parser/message.h"]]
[["flang/Parser/parse-tree-visitor.h"]]
)
9 changes: 9 additions & 0 deletions flang/lib/Semantics/CMakeLists.txt
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Expand Up @@ -64,3 +64,12 @@ add_flang_library(FortranSemantics
FrontendOpenACC
TargetParser
)

target_precompile_headers(FortranSemantics PRIVATE
[["flang/Semantics/semantics.h"]]
[["flang/Semantics/type.h"]]
[["flang/Semantics/openmp-modifiers.h"]]
[["flang/Semantics/expression.h"]]
[["flang/Semantics/tools.h"]]
[["flang/Semantics/symbol.h"]]
)
7 changes: 7 additions & 0 deletions llvm/CMakeLists.txt
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Expand Up @@ -286,6 +286,13 @@ if(LLVM_CCACHE_BUILD)
endif()
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
else()
# Until a way to reliably configure ccache on Windows is found,
# disable precompiled headers for Windows + ccache builds
if(NOT CMAKE_DISABLE_PRECOMPILE_HEADERS)
message(WARNING "Using ccache with precompiled headers on Windows is currently not supported.
CMAKE_DISABLE_PRECOMPILE_HEADERS will be set to ON.")
set(CMAKE_DISABLE_PRECOMPILE_HEADERS "ON")
endif()
if(LLVM_CCACHE_MAXSIZE OR LLVM_CCACHE_DIR OR
NOT LLVM_CCACHE_PARAMS MATCHES "CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros")
message(FATAL_ERROR "Ccache configuration through CMake is not supported on Windows. Please use environment variables.")
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