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