test/MC/AMDGPU/elf-lds.s

   1 // RUN: llvm-mc -filetype=obj -triple amdgcn-- -mcpu gfx900 %s -o - | llvm-readobj -t -r | FileCheck %s
   2
   3         .text
   4         .globl test_kernel
   5         .p2align 8
   6         .type test_kernel,@function
   7 test_kernel:
   8         s_mov_b32 s0, lds0@abs32@lo
   9         v_lshl_add_u32 v3, v0, 2, s0
  10         ds_read2_b32 v[1:2], v3 offset1:1
  11
  12         s_mov_b32 s0, lds4@abs32@lo
  13         v_lshl_add_u32 v3, v0, 2, s0
  14         ds_write_b32 v3, v1
  15         s_endpgm
  16 .Lfunc_end:
  17         .size test_kernel, .Lfunc_end-test_kernel
  18
  19         .globl lds0
  20         .amdgpu_lds lds0, 192, 16
  21
  22         .globl lds1
  23         .amdgpu_lds lds1,387,8
  24
  25         ; Weird whitespace cases
  26         .globl lds2
  27         .amdgpu_lds lds2, 12
  28
  29         ; No alignment or .globl directive, not mentioned anywhere
  30         .amdgpu_lds lds3, 16
  31
  32         ; No alignment or .globl directive, size 0, but mentioned in .text
  33         .amdgpu_lds lds4, 0
  34
  35 // CHECK:      Relocations [
  36 // CHECK:        Section (3) .rel.text {
  37 // CHECK-NEXT:     0x4 R_AMDGPU_ABS32 lds0 0x0
  38 // CHECK-NEXT:     0x1C R_AMDGPU_ABS32 lds4 0x0
  39 // CHECK-NEXT:   }
  40 // CHECK:      ]
  41
  42 // CHECK:      Symbol {
  43 // CHECK:        Name: lds0 (54)
  44 // CHECK-NEXT:   Value: 0x10
  45 // CHECK-NEXT:   Size: 192
  46 // CHECK-NEXT:   Binding: Global (0x1)
  47 // CHECK-NEXT:   Type: Object (0x1)
  48 // CHECK-NEXT:   Other: 0
  49 // CHECK-NEXT:   Section: Processor Specific (0xFF00)
  50 // CHECK-NEXT: }
  51
  52 // CHECK:      Symbol {
  53 // CHECK:        Name: lds1 (49)
  54 // CHECK-NEXT:   Value: 0x8
  55 // CHECK-NEXT:   Size: 387
  56 // CHECK-NEXT:   Binding: Global (0x1)
  57 // CHECK-NEXT:   Type: Object (0x1)
  58 // CHECK-NEXT:   Other: 0
  59 // CHECK-NEXT:   Section: Processor Specific (0xFF00)
  60 // CHECK-NEXT: }
  61
  62 // CHECK:      Symbol {
  63 // CHECK:        Name: lds2 (44)
  64 // CHECK-NEXT:   Value: 0x4
  65 // CHECK-NEXT:   Size: 12
  66 // CHECK-NEXT:   Binding: Global (0x1)
  67 // CHECK-NEXT:   Type: Object (0x1)
  68 // CHECK-NEXT:   Other: 0
  69 // CHECK-NEXT:   Section: Processor Specific (0xFF00)
  70 // CHECK-NEXT: }
  71
  72 // CHECK-NOT:    Name: lds3
  73
  74 // CHECK:      Symbol {
  75 // CHECK:        Name: lds4 (39)
  76 // CHECK-NEXT:   Value: 0x4
  77 // CHECK-NEXT:   Size: 0
  78 // CHECK-NEXT:   Binding: Global (0x1)
  79 // CHECK-NEXT:   Type: Object (0x1)
  80 // CHECK-NEXT:   Other: 0
  81 // CHECK-NEXT:   Section: Processor Specific (0xFF00)
  82 // CHECK-NEXT: }