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192 lines
5.3 KiB
192 lines
5.3 KiB
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s
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; Test that globals assemble as expected.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-NOT: llvm.used
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; CHECK-NOT: llvm.metadata
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@llvm.used = appending global [1 x i32*] [i32* @g], section "llvm.metadata"
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; CHECK: foo:
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; CHECK: i32.const $push0=, 0{{$}}
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; CHECK-NEXT: i32.load $push1=, answer($pop0){{$}}
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; CHECK-NEXT: return $pop1{{$}}
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define i32 @foo() {
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%a = load i32, i32* @answer
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ret i32 %a
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}
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; CHECK-LABEL: call_memcpy:
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; CHECK-NEXT: .param i32, i32, i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.call $push0=, memcpy@FUNCTION, $0, $1, $2{{$}}
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; CHECK-NEXT: return $pop0{{$}}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
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define i8* @call_memcpy(i8* %p, i8* nocapture readonly %q, i32 %n) {
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
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ret i8* %p
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}
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; CHECK: .type .Lg,@object
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; CHECK: .p2align 2{{$}}
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; CHECK-NEXT: .Lg:
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; CHECK-NEXT: .int32 1337{{$}}
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; CHECK-NEXT: .size .Lg, 4{{$}}
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@g = private global i32 1337
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; CHECK-LABEL: ud:
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; CHECK-NEXT: .skip 4{{$}}
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; CHECK-NEXT: .size ud, 4{{$}}
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@ud = internal global i32 undef
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; CHECK: .type nil,@object
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; CHECK-NEXT: .lcomm nil,4,2{{$}}
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@nil = internal global i32 zeroinitializer
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; CHECK: .type z,@object
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; CHECK-NEXT: .lcomm z,4,2{{$}}
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@z = internal global i32 0
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; CHECK-NEXT: .type one,@object
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; CHECK-NEXT: .p2align 2{{$}}
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; CHECK-NEXT: one:
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; CHECK-NEXT: .int32 1{{$}}
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; CHECK-NEXT: .size one, 4{{$}}
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@one = internal global i32 1
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; CHECK: .type answer,@object
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; CHECK: .p2align 2{{$}}
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; CHECK-NEXT: answer:
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; CHECK-NEXT: .int32 42{{$}}
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; CHECK-NEXT: .size answer, 4{{$}}
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@answer = internal global i32 42
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; CHECK: .type u32max,@object
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; CHECK: .p2align 2{{$}}
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; CHECK-NEXT: u32max:
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; CHECK-NEXT: .int32 4294967295{{$}}
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; CHECK-NEXT: .size u32max, 4{{$}}
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@u32max = internal global i32 -1
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; CHECK: .type ud64,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: ud64:
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; CHECK-NEXT: .skip 8{{$}}
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; CHECK-NEXT: .size ud64, 8{{$}}
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@ud64 = internal global i64 undef
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; CHECK: .type nil64,@object
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; CHECK: .lcomm nil64,8,3{{$}}
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@nil64 = internal global i64 zeroinitializer
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; CHECK: .type z64,@object
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; CHECK: .lcomm z64,8,3{{$}}
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@z64 = internal global i64 0
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; CHECK: .type twoP32,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: twoP32:
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; CHECK-NEXT: .int64 4294967296{{$}}
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; CHECK-NEXT: .size twoP32, 8{{$}}
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@twoP32 = internal global i64 4294967296
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; CHECK: .type u64max,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: u64max:
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; CHECK-NEXT: .int64 -1{{$}}
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; CHECK-NEXT: .size u64max, 8{{$}}
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@u64max = internal global i64 -1
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; CHECK: .type f32ud,@object
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; CHECK: .p2align 2{{$}}
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; CHECK-NEXT: f32ud:
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; CHECK-NEXT: .skip 4{{$}}
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; CHECK-NEXT: .size f32ud, 4{{$}}
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@f32ud = internal global float undef
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; CHECK: .type f32nil,@object
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; CHECK: .lcomm f32nil,4,2{{$}}
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@f32nil = internal global float zeroinitializer
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; CHECK: .type f32z,@object
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; CHECK: .lcomm f32z,4,2{{$}}
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@f32z = internal global float 0.0
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; CHECK: .type f32nz,@object
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; CHECK: .p2align 2{{$}}
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; CHECK: f32nz:
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; CHECK: .int32 2147483648{{$}}
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; CHECK: .size f32nz, 4{{$}}
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@f32nz = internal global float -0.0
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; CHECK: .type f32two,@object
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; CHECK: .p2align 2{{$}}
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; CHECK-NEXT: f32two:
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; CHECK-NEXT: .int32 1073741824{{$}}
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; CHECK-NEXT: .size f32two, 4{{$}}
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@f32two = internal global float 2.0
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; CHECK: .type f64ud,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: f64ud:
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; CHECK-NEXT: .skip 8{{$}}
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; CHECK-NEXT: .size f64ud, 8{{$}}
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@f64ud = internal global double undef
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; CHECK: .type f64nil,@object
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; CHECK: .lcomm f64nil,8,3{{$}}
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@f64nil = internal global double zeroinitializer
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; CHECK: .type f64z,@object
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; CHECK: .lcomm f64z,8,3{{$}}
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@f64z = internal global double 0.0
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; CHECK: .type f64nz,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: f64nz:
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; CHECK-NEXT: .int64 -9223372036854775808{{$}}
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; CHECK-NEXT: .size f64nz, 8{{$}}
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@f64nz = internal global double -0.0
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; CHECK: .type f64two,@object
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; CHECK: .p2align 3{{$}}
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; CHECK-NEXT: f64two:
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; CHECK-NEXT: .int64 4611686018427387904{{$}}
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; CHECK-NEXT: .size f64two, 8{{$}}
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@f64two = internal global double 2.0
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; Indexing into a global array produces a relocation.
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; CHECK: .type arr,@object
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; CHECK: .type ptr,@object
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; CHECK: ptr:
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; CHECK-NEXT: .int32 arr+80
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; CHECK-NEXT: .size ptr, 4
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@arr = global [128 x i32] zeroinitializer, align 16
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@ptr = global i32* getelementptr inbounds ([128 x i32], [128 x i32]* @arr, i32 0, i32 20), align 4
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; Constant global.
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; CHECK: .type rom,@object{{$}}
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; CHECK: .section .rodata,"a",@progbits{{$}}
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; CHECK: .globl rom{{$}}
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; CHECK: .p2align 4{{$}}
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; CHECK: rom:
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; CHECK: .skip 512{{$}}
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; CHECK: .size rom, 512{{$}}
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@rom = constant [128 x i32] zeroinitializer, align 16
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; CHECK: .type array,@object
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; CHECK-NEXT: array:
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; CHECK-NEXT: .skip 8
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; CHECK-NEXT: .size array, 8
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; CHECK: .type pointer_to_array,@object
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; CHECK-NEXT: .section .data.rel.ro,"aw",@progbits
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; CHECK-NEXT: .globl pointer_to_array
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: pointer_to_array:
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; CHECK-NEXT: .int32 array+4
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; CHECK-NEXT: .size pointer_to_array, 4
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@array = internal constant [8 x i8] zeroinitializer, align 1
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@pointer_to_array = constant i8* getelementptr inbounds ([8 x i8], [8 x i8]* @array, i32 0, i32 4), align 4
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