forked from OSchip/llvm-project
105 lines
3.9 KiB
LLVM
105 lines
3.9 KiB
LLVM
; RUN: llc -filetype=obj %s -o %t.o
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; RUN: wasm-ld -print-gc-sections -o %t1.wasm %t.o | FileCheck %s -check-prefix=PRINT-GC
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; PRINT-GC: removing unused section 'unused_function' in file '{{.*}}'
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; PRINT-GC-NOT: removing unused section 'used_function' in file '{{.*}}'
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; PRINT-GC: removing unused section '.data.unused_data' in file '{{.*}}'
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; PRINT-GC-NOT: removing unused section '.data.used_data' in file '{{.*}}'
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target triple = "wasm32-unknown-unknown-wasm"
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@unused_data = hidden global i64 1, align 4
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@used_data = hidden global i32 2, align 4
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define hidden i64 @unused_function() {
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%1 = load i64, i64* @unused_data, align 4
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ret i64 %1
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}
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define hidden i32 @used_function() {
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%1 = load i32, i32* @used_data, align 4
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ret i32 %1
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}
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define hidden void @_start() {
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entry:
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call i32 @used_function()
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ret void
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}
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; RUN: obj2yaml %t1.wasm | FileCheck %s
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; CHECK: - Type: TYPE
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; CHECK-NEXT: Signatures:
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: ReturnType: I32
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: ReturnType: NORESULT
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: - Type: FUNCTION
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; CHECK: - Type: DATA
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; CHECK-NEXT: Segments:
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; CHECK-NEXT: - SectionOffset: 7
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; CHECK-NEXT: MemoryIndex: 0
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; CHECK-NEXT: Offset:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1024
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; CHECK-NEXT: Content: '02000000'
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; CHECK-NEXT: - Type: CUSTOM
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; CHECK-NEXT: Name: linking
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; CHECK-NEXT: DataSize: 4
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; CHECK-NEXT: - Type: CUSTOM
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; CHECK-NEXT: Name: name
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; CHECK-NEXT: FunctionNames:
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: Name: used_function
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Name: _start
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Name: __wasm_call_ctors
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; CHECK-NEXT: ...
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; RUN: wasm-ld -print-gc-sections --no-gc-sections -o %t1.no-gc.wasm %t.o
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; RUN: obj2yaml %t1.no-gc.wasm | FileCheck %s -check-prefix=NO-GC
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; NO-GC: - Type: TYPE
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; NO-GC-NEXT: Signatures:
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; NO-GC-NEXT: - Index: 0
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; NO-GC-NEXT: ReturnType: I64
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; NO-GC-NEXT: ParamTypes:
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; NO-GC-NEXT: - Index: 1
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; NO-GC-NEXT: ReturnType: I32
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; NO-GC-NEXT: ParamTypes:
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; NO-GC-NEXT: - Index: 2
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; NO-GC-NEXT: ReturnType: NORESULT
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; NO-GC-NEXT: ParamTypes:
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; NO-GC-NEXT: - Type: FUNCTION
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; NO-GC: - Type: DATA
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; NO-GC-NEXT: Segments:
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; NO-GC-NEXT: - SectionOffset: 7
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; NO-GC-NEXT: MemoryIndex: 0
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; NO-GC-NEXT: Offset:
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; NO-GC-NEXT: Opcode: I32_CONST
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; NO-GC-NEXT: Value: 1024
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; NO-GC-NEXT: Content: '010000000000000002000000'
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; NO-GC-NEXT: - Type: CUSTOM
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; NO-GC-NEXT: Name: linking
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; NO-GC-NEXT: DataSize: 12
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; NO-GC-NEXT: - Type: CUSTOM
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; NO-GC-NEXT: Name: name
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; NO-GC-NEXT: FunctionNames:
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; NO-GC-NEXT: - Index: 0
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; NO-GC-NEXT: Name: unused_function
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; NO-GC-NEXT: - Index: 1
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; NO-GC-NEXT: Name: used_function
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; NO-GC-NEXT: - Index: 2
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; NO-GC-NEXT: Name: _start
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; NO-GC-NEXT: - Index: 3
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; NO-GC-NEXT: Name: __wasm_call_ctors
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; NO-GC-NEXT: ...
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; RUN: not wasm-ld --gc-sections --relocatable -o %t1.no-gc.wasm %t.o 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR
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; CHECK-ERROR: wasm-ld: error: -r and --gc-sections may not be used together
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