lld/test/wasm/merge-string.s

   1 // RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
   2 // RUN: wasm-ld -O1 %t.o -o %t.wasm --no-gc-sections --no-entry
   3 // RUN: obj2yaml %t.wasm | FileCheck %s --check-prefixes=COMMON,MERGE
   4
   5 // Check that the default is the same as -O1 (since we default to -O1)
   6 // RUN: wasm-ld %t.o -o %t.wasm --no-gc-sections --no-entry
   7 // RUN: obj2yaml %t.wasm | FileCheck %s --check-prefixes=COMMON,MERGE
   8
   9 // Check that -O0 disables merging
  10 // RUN: wasm-ld -O0 %t.o -o %t2.wasm --no-gc-sections --no-entry
  11 // RUN: obj2yaml %t2.wasm | FileCheck --check-prefixes=COMMON,NOMERGE %s
  12
  13 // Check relocatable
  14 // RUN: wasm-ld -r %t.o -o %t2.o
  15 // RUN: obj2yaml %t2.o | FileCheck --check-prefixes=RELOC %s
  16
  17         .section .rodata1,"S",@
  18         .asciz "abc"
  19 foo:
  20         .ascii "a"
  21         .size foo, 1
  22 bar:
  23         .asciz "bc"
  24         .asciz "bc"
  25         .size bar, 6
  26
  27         .section .rodata_relocs,"",@
  28 negative_addend:
  29         .int32 foo-10
  30         .size negative_addend, 4
  31
  32 .globl foo
  33 .globl bar
  34 .export_name    foo, foo
  35 .export_name    bar, bar
  36
  37 //       COMMON:  - Type:            GLOBAL
  38 //  COMMON-NEXT:    Globals:
  39 //  COMMON-NEXT:      - Index:           0
  40 //  COMMON-NEXT:        Type:            I32
  41 //  COMMON-NEXT:        Mutable:         true
  42 //  COMMON-NEXT:        InitExpr:
  43 //  COMMON-NEXT:          Opcode:          I32_CONST
  44 //  COMMON-NEXT:          Value:           66576
  45 //  COMMON-NEXT:      - Index:           1
  46 //  COMMON-NEXT:        Type:            I32
  47 //  COMMON-NEXT:        Mutable:         false
  48 //  COMMON-NEXT:        InitExpr:
  49 //  COMMON-NEXT:          Opcode:          I32_CONST
  50 //   MERGE-NEXT:          Value:           1024
  51 // NOMERGE-NEXT:          Value:           1028
  52 //  COMMON-NEXT:      - Index:           2
  53 //  COMMON-NEXT:        Type:            I32
  54 //  COMMON-NEXT:        Mutable:         false
  55 //  COMMON-NEXT:        InitExpr:
  56 //  COMMON-NEXT:          Opcode:          I32_CONST
  57 //   MERGE-NEXT:          Value:           1025
  58 // NOMERGE-NEXT:          Value:           1029
  59 //  COMMON-NEXT:  - Type:            EXPORT
  60 //  COMMON-NEXT:    Exports:
  61 //  COMMON-NEXT:      - Name:            memory
  62 //  COMMON-NEXT:        Kind:            MEMORY
  63 //  COMMON-NEXT:        Index:           0
  64 //  COMMON-NEXT:      - Name:            foo
  65 //  COMMON-NEXT:        Kind:            GLOBAL
  66 //  COMMON-NEXT:        Index:           1
  67 //  COMMON-NEXT:      - Name:            bar
  68 //  COMMON-NEXT:        Kind:            GLOBAL
  69 //  COMMON-NEXT:        Index:           2
  70
  71 //
  72 //       COMMON:  - Type:            DATA
  73 //  COMMON-NEXT:    Segments:
  74 //  COMMON-NEXT:      - SectionOffset:   7
  75 //  COMMON-NEXT:        InitFlags:       0
  76 //  COMMON-NEXT:        Offset:
  77 //  COMMON-NEXT:          Opcode:          I32_CONST
  78 //  COMMON-NEXT:          Value:           1024
  79 //   MERGE-NEXT:          Content:         '61626300'
  80 // NOMERGE-NEXT:          Content:         '6162630061626300626300'
  81
  82
  83 //      RELOC:  - Type:            DATA
  84 // RELOC-NEXT:    Relocations:
  85 // RELOC-NEXT:      - Type:            R_WASM_MEMORY_ADDR_I32
  86 // RELOC-NEXT:        Index:           0
  87 // RELOC-NEXT:        Offset:          0xF
  88 // RELOC-NEXT:        Addend:          -10
  89 // RELOC-NEXT:    Segments:
  90 // RELOC-NEXT:      - SectionOffset:   6
  91 // RELOC-NEXT:        InitFlags:       0
  92 // RELOC-NEXT:        Offset:
  93 // RELOC-NEXT:          Opcode:          I32_CONST
  94 // RELOC-NEXT:          Value:           0
  95 // RELOC-NEXT:        Content:         '61626300'
  96 // RELOC-NEXT:      - SectionOffset:   15
  97 // RELOC-NEXT:        InitFlags:       0
  98 // RELOC-NEXT:        Offset:
  99 // RELOC-NEXT:          Opcode:          I32_CONST
 100 // RELOC-NEXT:          Value:           4
 101 // RELOC-NEXT:        Content:         F6FFFFFF