forked from OSchip/llvm-project
122 lines
3.7 KiB
LLVM
122 lines
3.7 KiB
LLVM
; Test that PIC code can be linked into static binaries.
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; In this case the GOT entries will end up as internalized wasm globals with
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; fixed values.
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; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t.ret32.o
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; RUN: llc -relocation-model=pic -filetype=obj %s -o %t.o
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; RUN: wasm-ld --allow-undefined --export-all -o %t.wasm %t.o %t.ret32.o
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; RUN: obj2yaml %t.wasm | FileCheck %s
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target triple = "wasm32-unknown-emscripten"
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declare i32 @ret32(float)
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declare i32 @missing_function(float)
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@global_float = global float 1.0
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@hidden_float = hidden global float 2.0
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@missing_float = extern_weak global float
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@ret32_ptr = global i32 (float)* @ret32, align 4
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define i32 (float)* @getaddr_external() {
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ret i32 (float)* @ret32;
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}
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define i32 (float)* @getaddr_missing_function() {
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ret i32 (float)* @missing_function;
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}
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define i32 ()* @getaddr_hidden() {
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ret i32 ()* @hidden_func;
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}
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define float* @getaddr_missing_float() {
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ret float* @missing_float
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}
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define hidden i32 @hidden_func() {
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ret i32 1
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}
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define void @_start() {
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entry:
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%f = load float, float* @hidden_float, align 4
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%addr = load i32 (float)*, i32 (float)** @ret32_ptr, align 4
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%arg = load float, float* @global_float, align 4
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call i32 %addr(float %arg)
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%addr2 = call i32 (float)* @getaddr_external()
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%arg2 = load float, float* @hidden_float, align 4
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call i32 %addr2(float %arg2)
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%addr3 = call i32 ()* @getaddr_hidden()
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call i32 %addr3()
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ret void
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}
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; CHECK: - Type: GLOBAL
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; CHECK-NEXT: Globals:
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; __stack_pointer
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: true
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 66576
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; GOT.func.ret32
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1
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; GOT.func.missing_function
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 2
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; __table_base
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1
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; GOT.mem.missing_float
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; CHECK-NEXT: - Index: 4
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 0
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; GOT.mem.global_float
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; CHECK-NEXT: - Index: 5
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1024
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; GOT.mem.ret32_ptr
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; CHECK-NEXT: - Index: 6
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1032
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; __memory_base
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; CHECK-NEXT: - Index: 7
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 0
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