pie.ll
1.85 KB
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; RUN: llc -relocation-model=pic -filetype=obj %s -o %t.o
; RUN: wasm-ld --no-gc-sections --allow-undefined -pie -o %t.wasm %t.o
; RUN: obj2yaml %t.wasm | FileCheck %s
target triple = "wasm32-unknown-emscripten"
@data = global i32 2, align 4
@data_external = external global i32
@indirect_func = local_unnamed_addr global i32 ()* @foo, align 4
@data_addr = local_unnamed_addr global i32* @data, align 4
@data_addr_external = local_unnamed_addr global i32* @data_external, align 4
define hidden i32 @foo() {
entry:
; To ensure we use __stack_pointer
%ptr = alloca i32
%0 = load i32, i32* @data, align 4
%1 = load i32 ()*, i32 ()** @indirect_func, align 4
call i32 %1()
ret i32 %0
}
define default i32** @get_data_address() {
entry:
ret i32** @data_addr_external
}
define void @_start() {
ret void
}
; CHECK: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __indirect_function_table
; CHECK-NEXT: Kind: TABLE
; CHECK-NEXT: Table:
; CHECK-NEXT: ElemType: FUNCREF
; CHECK-NEXT: Limits:
; CHECK-NEXT: Initial: 0x00000001
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __stack_pointer
; CHECK-NEXT: Kind: GLOBAL
; CHECK-NEXT: GlobalType: I32
; CHECK-NEXT: GlobalMutable: true
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __memory_base
; CHECK-NEXT: Kind: GLOBAL
; CHECK-NEXT: GlobalType: I32
; CHECK-NEXT: GlobalMutable: false
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __table_base
; CHECK-NEXT: Kind: GLOBAL
; CHECK-NEXT: GlobalType: I32
; CHECK-NEXT: GlobalMutable: false