llvm/test/tools/llvm-objdump/AMDGPU/elf-disassemble-symbolize-operands.yaml

   1 # RUN: yaml2obj %s -o %t
   2 # RUN: llvm-objdump %t -d --symbolize-operands --no-show-raw-insn --no-leading-addr | \
   3 # RUN:   FileCheck %s
   4
   5 ## Expect to find the branch labels.
   6 # CHECK: <break_cond_is_arg>:
   7 # CHECK:     s_branch L1
   8 # CHECK: <L0>:
   9 # CHECK:     s_cbranch_execz L2
  10 # CHECK: <L1>:
  11 # CHECK:     s_branch L0
  12 # CHECKL <L2>:
  13
  14 # I created this YAML starting with this LLVM IR:
  15 #
  16 #   define void @break_cond_is_arg(i32 %arg, i1 %breakcond) {
  17 #   entry:
  18 #     br label %loop
  19 #   loop:
  20 #     %tmp23phi = phi i32 [ %tmp23, %endif ], [ 0, %entry ]
  21 #     %tmp23 = add nuw i32 %tmp23phi, 1
  22 #     %tmp27 = icmp ult i32 %arg, %tmp23
  23 #     br i1 %tmp27, label %then, label %endif
  24 #   then:                                             ; preds = %bb
  25 #     call void @llvm.amdgcn.raw.buffer.store.f32(float undef, <4 x i32> undef, i32 0, i32 undef, i32 0)
  26 #     br label %endif
  27 #   endif:                                             ; preds = %bb28, %bb
  28 #     br i1 %breakcond, label %loop, label %loopexit
  29 #   loopexit:
  30 #     ret void
  31 #   }
  32 #
  33 #   declare void @llvm.amdgcn.raw.buffer.store.f32(float, <4 x i32>, i32, i32, i32 immarg) #0
  34 #
  35 #   attributes #0 = { nounwind writeonly }
  36 #
  37 # I compiled it to a relocatable ELF:
  38 #
  39 #   llc -march=amdgcn -mcpu=gfx1030 llvm/a.ll -filetype=obj -o a.elf
  40 #
  41 # then converted it to YAML:
  42 #
  43 #   obj2yaml a.elf
  44 #
  45 # then manually removed the BB0_1 etc local symbols.
  46
  47 --- !ELF
  48 FileHeader:
  49   Class:           ELFCLASS64
  50   Data:            ELFDATA2LSB
  51   Type:            ET_REL
  52   Machine:         EM_AMDGPU
  53   Flags:           [ EF_AMDGPU_MACH_AMDGCN_GFX1030 ]
  54 Sections:
  55   - Name:            .text
  56     Type:            SHT_PROGBITS
  57     Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
  58     AddressAlign:    0x4
  59     Content:         00008CBF0000FDBB81020236810385BE800384BE8102847D6AC10689040082BF7E077E88058105817E047E8A080088BF0500887D7E060787070404886A3C87BEF7FF88BF000070E000000104F4FF82BF7E047E880000FDBB1E2080BE
  60   - Name:            .AMDGPU.config
  61     Type:            SHT_PROGBITS
  62     AddressAlign:    0x1
  63     Content:         48B80000000000004CB800000000000060B800000000000004000000000000000800000000000000
  64   - Name:            .note.GNU-stack
  65     Type:            SHT_PROGBITS
  66     AddressAlign:    0x1
  67   - Name:            .note
  68     Type:            SHT_NOTE
  69     AddressAlign:    0x4
  70     Notes:
  71       - Name:            AMD
  72         Desc:            616D6467636E2D756E6B6E6F776E2D6C696E75782D676E752D67667831303330
  73         Type:            NT_FREEBSD_PROCSTAT_GROUPS
  74   - Type:            SectionHeaderTable
  75     Sections:
  76       - Name:            .strtab
  77       - Name:            .shstrtab
  78       - Name:            .text
  79       - Name:            .AMDGPU.config
  80       - Name:            .note.GNU-stack
  81       - Name:            .note
  82       - Name:            .symtab
  83 Symbols:
  84   - Name:            break_cond_is_arg
  85     Type:            STT_FUNC
  86     Section:         .text
  87     Binding:         STB_GLOBAL
  88     Size:            0x5C
  89 ...