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# SPDX-License-Identifier: GPL-3.0-or-later
if(NOT DEFINED TOOL OR NOT DEFINED INPUT OR NOT DEFINED OUTPUT OR
NOT DEFINED OUTPUT_KIND)
message(FATAL_ERROR "MIR tool output test is missing a required argument")
endif()
get_filename_component(OutputDirectory "${OUTPUT}" DIRECTORY)
file(MAKE_DIRECTORY "${OutputDirectory}")
set(RepeatedOutput "${OUTPUT}.repeat")
execute_process(
COMMAND "${TOOL}" --input "${INPUT}" --emit "${OUTPUT_KIND}" --output "${OUTPUT}"
RESULT_VARIABLE FirstResult
ERROR_VARIABLE FirstDiagnostics
)
if(NOT FirstResult EQUAL 0)
message(FATAL_ERROR "${OUTPUT_KIND} production failed: ${FirstDiagnostics}")
endif()
execute_process(
COMMAND "${TOOL}" --input "${INPUT}" --emit "${OUTPUT_KIND}" --output "${RepeatedOutput}"
RESULT_VARIABLE SecondResult
ERROR_VARIABLE SecondDiagnostics
)
if(NOT SecondResult EQUAL 0)
message(FATAL_ERROR "repeated ${OUTPUT_KIND} production failed: ${SecondDiagnostics}")
endif()
execute_process(
COMMAND "${CMAKE_COMMAND}" -E compare_files "${OUTPUT}" "${RepeatedOutput}"
RESULT_VARIABLE ComparisonResult
)
if(NOT ComparisonResult EQUAL 0)
message(FATAL_ERROR "${OUTPUT_KIND} output is not deterministic")
endif()
if(OUTPUT_KIND STREQUAL "assembly")
file(READ "${OUTPUT}" Assembly)
if(NOT Assembly MATCHES "\\.attribute arch, \"rv64gc\"" OR
NOT Assembly MATCHES "jalr x0, x1, 0")
message(FATAL_ERROR "assembly output is missing required RV64GC content")
endif()
if(INPUT MATCHES "RISCVDataPipeline" AND
(NOT Assembly MATCHES "\\.LCPI[0-9]+_0:" OR
NOT Assembly MATCHES "\\.LJTI[0-9]+_0:"))
message(FATAL_ERROR "assembly output is missing constant-pool or jump-table data")
endif()
if(INPUT MATCHES "RISCVStackFramePipeline" AND
(NOT Assembly MATCHES "addi x2, x2, -32" OR
NOT Assembly MATCHES "addi x2, x2, 32"))
message(FATAL_ERROR "assembly output does not balance its stack frame")
endif()
if(DEFINED LLVM_MC AND NOT LLVM_MC STREQUAL "LLVM_MC-NOTFOUND" AND
NOT LLVM_MC STREQUAL "")
execute_process(
COMMAND "${LLVM_MC}" -triple=riscv64-unknown-linux-gnu -filetype=null "${OUTPUT}"
RESULT_VARIABLE AssemblerResult
ERROR_VARIABLE AssemblerDiagnostics
)
if(NOT AssemblerResult EQUAL 0)
message(FATAL_ERROR "LLVM MC rejected MIR tool assembly: ${AssemblerDiagnostics}")
endif()
endif()
elseif(OUTPUT_KIND STREQUAL "object")
file(READ "${OUTPUT}" ObjectMagic OFFSET 0 LIMIT 4 HEX)
if(NOT ObjectMagic STREQUAL "7f454c46")
message(FATAL_ERROR "object output is not an ELF file")
endif()
if(DEFINED LLVM_READELF AND NOT LLVM_READELF STREQUAL "LLVM_READELF-NOTFOUND" AND
NOT LLVM_READELF STREQUAL "")
execute_process(
COMMAND "${LLVM_READELF}" -h -S -s -r "${OUTPUT}"
RESULT_VARIABLE ReadELFResult
OUTPUT_VARIABLE ReadELFOutput
ERROR_VARIABLE ReadELFDiagnostics
)
if(NOT ReadELFResult EQUAL 0)
message(FATAL_ERROR "LLVM readelf rejected MIR tool object: ${ReadELFDiagnostics}")
endif()
if(NOT ReadELFOutput MATCHES "Type:[ \t]+REL" OR
NOT ReadELFOutput MATCHES "Machine:[ \t]+RISC-V" OR
NOT ReadELFOutput MATCHES "Flags:[ \t]+0x5" OR
NOT ReadELFOutput MATCHES "\\.text" OR
NOT ReadELFOutput MATCHES "\\.eh_frame" OR
NOT ReadELFOutput MATCHES "\\.riscv\\.attributes")
message(FATAL_ERROR "object output is missing required RV64GC ELF metadata")
endif()
if(INPUT MATCHES "RISCVDataPipeline" AND
(NOT ReadELFOutput MATCHES "\\.rodata" OR
NOT ReadELFOutput MATCHES "\\.rela\\.text" OR
NOT ReadELFOutput MATCHES "R_RISCV_64"))
message(FATAL_ERROR "data object is missing data or relocation sections")
endif()
endif()
if(DEFINED LLVM_OBJDUMP AND NOT LLVM_OBJDUMP STREQUAL "LLVM_OBJDUMP-NOTFOUND" AND
NOT LLVM_OBJDUMP STREQUAL "")
execute_process(
COMMAND "${LLVM_OBJDUMP}" -dr --no-show-raw-insn "${OUTPUT}"
RESULT_VARIABLE ObjdumpResult
OUTPUT_VARIABLE ObjdumpOutput
ERROR_VARIABLE ObjdumpDiagnostics
)
if(NOT ObjdumpResult EQUAL 0)
message(FATAL_ERROR "LLVM objdump rejected MIR tool object: ${ObjdumpDiagnostics}")
endif()
if(NOT ObjdumpOutput MATCHES "file format elf64-littleriscv" OR
NOT ObjdumpOutput MATCHES "ret")
message(FATAL_ERROR "object output does not contain RV64GC function code")
endif()
if(INPUT MATCHES "RISCVStackFramePipeline" AND
(NOT ObjdumpOutput MATCHES "addi[ \t]+sp, sp, -0x20" OR
NOT ObjdumpOutput MATCHES "addi[ \t]+sp, sp, 0x20"))
message(FATAL_ERROR "stack-frame object does not balance its stack pointer")
endif()
endif()
else()
message(FATAL_ERROR "MIR tool output test received an unknown output kind")
endif()
file(REMOVE "${OUTPUT}" "${RepeatedOutput}")
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