1 ; RUN: llc < %s -mattr=+atomics,+sign-ext -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
3 ; Test that truncating stores are assembled properly.
5 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
6 target triple = "wasm32-unknown-unknown"
8 ; CHECK-LABEL: trunc_i8_i32:
9 ; CHECK: i32.atomic.store8 0($0), $1{{$}}
10 define void @trunc_i8_i32(i8 *%p, i32 %v) {
11 %t = trunc i32 %v to i8
12 store atomic i8 %t, i8* %p seq_cst, align 1
16 ; CHECK-LABEL: trunc_i16_i32:
17 ; CHECK: i32.atomic.store16 0($0), $1{{$}}
18 define void @trunc_i16_i32(i16 *%p, i32 %v) {
19 %t = trunc i32 %v to i16
20 store atomic i16 %t, i16* %p seq_cst, align 2
24 ; CHECK-LABEL: trunc_i8_i64:
25 ; CHECK: i64.atomic.store8 0($0), $1{{$}}
26 define void @trunc_i8_i64(i8 *%p, i64 %v) {
27 %t = trunc i64 %v to i8
28 store atomic i8 %t, i8* %p seq_cst, align 1
32 ; CHECK-LABEL: trunc_i16_i64:
33 ; CHECK: i64.atomic.store16 0($0), $1{{$}}
34 define void @trunc_i16_i64(i16 *%p, i64 %v) {
35 %t = trunc i64 %v to i16
36 store atomic i16 %t, i16* %p seq_cst, align 2
40 ; CHECK-LABEL: trunc_i32_i64:
41 ; CHECK: i64.atomic.store32 0($0), $1{{$}}
42 define void @trunc_i32_i64(i32 *%p, i64 %v) {
43 %t = trunc i64 %v to i32
44 store atomic i32 %t, i32* %p seq_cst, align 4