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1# REQUIRES: x862 3# RUN: llvm-mc -triple=x86_64-windows-msvc %s -filetype=obj -o %t.obj4# RUN: lld-link -lldmap:%t.map -out:%t.exe -opt:ref -entry:main %t.obj -verbose 2>&1 | FileCheck %s5# RUN: FileCheck %s --check-prefix=MAP --input-file=%t.map6 7# CHECK: Discarded unused18# CHECK-NEXT: Discarded unused29# CHECK-NOT: Discarded10 11# MAP: In Symbol12# MAP: gc-dwarf.s.tmp.obj:(.text)13# MAP: {{ main$}}14# MAP: gc-dwarf.s.tmp.obj:(.text)15# MAP: {{ used$}}16 17 .def @feat.00; .scl 3; .type 0; .endef18 .globl @feat.0019.set @feat.00, 020 21 .def main; .scl 2; .type 32; .endef22 .section .text,"xr",one_only,main23 .globl main24main:25 callq used26 xorl %eax, %eax27 retq28 29 .def used; .scl 2; .type 32; .endef30 .section .text,"xr",one_only,used31 .globl used32used:33 retq34 35 36 .def unused1; .scl 2; .type 32; .endef37 .section .text,"xr",one_only,unused138 .globl unused139unused1:40 retq41 42 .def unused2; .scl 2; .type 32; .endef43 .section .text,"xr",one_only,unused244 .globl unused245unused2:46 retq47 48# This isn't valid DWARF, but LLD doesn't care. Make up some data that49# references the functions above.50.section .debug_info,"r"51.long main@IMGREL52.long unused1@IMGREL53.long unused2@IMGREL54 55# Similarly, .eh_frame unwind info should not keep functions alive. Again, this56# is not valid unwind info, but it doesn't matter for testing purposes.57.section .eh_frame,"r"58.long main@IMGREL59.long unused1@IMGREL60.long unused2@IMGREL61