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Add build flag to enable reverse iteration over llvm maps #23161

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Merged
kuhar merged 1 commit into from
Jan 16, 2026
Merged

Add build flag to enable reverse iteration over llvm maps #23161

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5 changes: 5 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,7 @@ option(IREE_ENABLE_THIN_ARCHIVES "Enables thin ar archives (elf systems only). D
option(IREE_LINK_COMPILER_SHARED_LIBRARY "Links IREE tools using the compiler compiled into a shared library" ON)
option(IREE_ENABLE_WERROR_FLAG "Enable `-Werror` flag, treat error as warning" ON)
option(IREE_ENABLE_POSITION_INDEPENDENT_CODE "Enable position independent code" TRUE)
option(IREE_REVERSE_ITERATION "Reverse iteration over in unordered LLVM containers" OFF)

if(IREE_LINK_COMPILER_SHARED_LIBRARY AND IREE_ENABLE_COMPILER_TRACING)
message(SEND_ERROR
Expand Down Expand Up @@ -570,6 +571,10 @@ if(IREE_ENABLE_RUNTIME_COVERAGE AND NOT _UPPERCASE_CMAKE_BUILD_TYPE STREQUAL "DE
message(FATAL_ERROR "IREE_ENABLE_*_COVERAGE requires building in Debug")
endif()

if(IREE_REVERSE_ITERATION)
set(LLVM_ENABLE_REVERSE_ITERATION ON CACHE BOOL "" FORCE)
endif()

#-------------------------------------------------------------------------------
# IREE assertions
# We don't love the way this is done, but we have to line it up with how LLVM
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