# REQUIRES: webassembly

# RUN: yaml2obj %s -o %t.wasm
# RUN: %lldb %t.wasm -o 'dis -n no_locals' -o 'dis -n with_locals' \
# RUN:   -o 'b no_locals' -o 'b with_locals' -o 'breakpoint list' \
# RUN:   2>&1 | FileCheck %s

# no_locals has zero local declarations (1 byte for the count of 0).
# The first instruction should be at <+1>.
# CHECK-LABEL: dis -n no_locals
# CHECK:       {{.*}}`no_locals:
# CHECK-NEXT:  {{.*}} <+1>: i32.const 42
# CHECK-NEXT:  {{.*}} <+3>: return
# CHECK-NEXT:  {{.*}} <+4>: end

# with_locals has one local declaration (1 local of type i32 = 3 bytes).
# The first instruction should be at <+3>.
# CHECK-LABEL: dis -n with_locals
# CHECK:       {{.*}}`with_locals:
# CHECK-NEXT:  {{.*}} <+3>:  local.get 0
# CHECK-NEXT:  {{.*}} <+5>:  local.get 1
# CHECK-NEXT:  {{.*}} <+7>:  i32.add
# CHECK-NEXT:  {{.*}} <+8>:  local.set 2
# CHECK-NEXT:  {{.*}} <+10>: local.get 0
# CHECK-NEXT:  {{.*}} <+12>: local.get 1
# CHECK-NEXT:  {{.*}} <+14>: return
# CHECK-NEXT:  {{.*}} <+15>: end

# Breakpoints should land at the first instruction.
# CHECK-LABEL: breakpoint list
# CHECK: where = {{.*}}`no_locals + 1
# CHECK: where = {{.*}}`with_locals + 3

--- !WASM
FileHeader:
  Version: 0x1
Sections:
  - Type: TYPE
    Signatures:
      - Index: 0
        ParamTypes: []
        ReturnTypes:
          - I32
      - Index: 1
        ParamTypes:
          - I32
          - I32
        ReturnTypes:
          - I32
  - Type: FUNCTION
    FunctionTypes: [ 0, 1 ]
  - Type: CODE
    Functions:
      # no_locals: returns 42, no local variables.
      - Index: 0
        Locals: []
        Body: 412A0F0B
      # with_locals: adds two params using a local, has 1 local decl (1 x i32).
      - Index: 1
        Locals:
          - Type: I32
            Count: 1
        Body: 200020016A2102200020010F0B
  - Type: CUSTOM
    Name: name
    FunctionNames:
      - Index: 0
        Name: no_locals
      - Index: 1
        Name: with_locals