1 ; RUN: llc < %s -mattr=+atomics,+sign-ext -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
3 ; Test that extending loads 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: sext_i8_i32:
9 ; CHECK: i32.atomic.load8_u $push0=, 0($0){{$}}
10 ; CHECK-NEXT: i32.extend8_s $push1=, $pop0{{$}}
11 ; CHECK-NEXT: return $pop1{{$}}
12 define i32 @sext_i8_i32(i8 *%p) {
13 %v = load atomic i8, i8* %p seq_cst, align 1
14 %e = sext i8 %v to i32
18 ; CHECK-LABEL: zext_i8_i32:
19 ; CHECK: i32.atomic.load8_u $push0=, 0($0){{$}}
20 ; CHECK-NEXT: return $pop0{{$}}
21 define i32 @zext_i8_i32(i8 *%p) {
23 %v = load atomic i8, i8* %p seq_cst, align 1
24 %e = zext i8 %v to i32
28 ; CHECK-LABEL: sext_i16_i32:
29 ; CHECK: i32.atomic.load16_u $push0=, 0($0){{$}}
30 ; CHECK-NEXT: i32.extend16_s $push1=, $pop0{{$}}
31 ; CHECK-NEXT: return $pop1{{$}}
32 define i32 @sext_i16_i32(i16 *%p) {
33 %v = load atomic i16, i16* %p seq_cst, align 2
34 %e = sext i16 %v to i32
38 ; CHECK-LABEL: zext_i16_i32:
39 ; CHECK: i32.atomic.load16_u $push0=, 0($0){{$}}
40 ; CHECK-NEXT: return $pop0{{$}}
41 define i32 @zext_i16_i32(i16 *%p) {
42 %v = load atomic i16, i16* %p seq_cst, align 2
43 %e = zext i16 %v to i32
47 ; CHECK-LABEL: sext_i8_i64:
48 ; CHECK: i64.atomic.load8_u $push0=, 0($0){{$}}
49 ; CHECK: i64.extend8_s $push1=, $pop0{{$}}
50 ; CHECK-NEXT: return $pop1{{$}}
51 define i64 @sext_i8_i64(i8 *%p) {
52 %v = load atomic i8, i8* %p seq_cst, align 1
53 %e = sext i8 %v to i64
57 ; CHECK-LABEL: zext_i8_i64:
58 ; CHECK: i64.atomic.load8_u $push0=, 0($0){{$}}
59 ; CHECK-NEXT: return $pop0{{$}}
60 define i64 @zext_i8_i64(i8 *%p) {
61 %v = load atomic i8, i8* %p seq_cst, align 1
62 %e = zext i8 %v to i64
66 ; CHECK-LABEL: sext_i16_i64:
67 ; CHECK: i64.atomic.load16_u $push0=, 0($0){{$}}
68 ; CHECK: i64.extend16_s $push1=, $pop0{{$}}
69 ; CHECK-NEXT: return $pop1{{$}}
70 define i64 @sext_i16_i64(i16 *%p) {
71 %v = load atomic i16, i16* %p seq_cst, align 2
72 %e = sext i16 %v to i64
76 ; CHECK-LABEL: zext_i16_i64:
77 ; CHECK: i64.atomic.load16_u $push0=, 0($0){{$}}
78 ; CHECK-NEXT: return $pop0{{$}}
79 define i64 @zext_i16_i64(i16 *%p) {
80 %v = load atomic i16, i16* %p seq_cst, align 2
81 %e = zext i16 %v to i64
85 ; CHECK-LABEL: sext_i32_i64:
86 ; CHECK: i32.atomic.load $push0=, 0($0){{$}}
87 ; CHECK: i64.extend_i32_s $push1=, $pop0{{$}}
88 ; CHECK-NEXT: return $pop1{{$}}
89 define i64 @sext_i32_i64(i32 *%p) {
90 %v = load atomic i32, i32* %p seq_cst, align 4
91 %e = sext i32 %v to i64
95 ; CHECK-LABEL: zext_i32_i64:
96 ; CHECK: i64.atomic.load32_u $push0=, 0($0){{$}}
97 ; CHECK: return $pop0{{$}}
98 define i64 @zext_i32_i64(i32 *%p) {
99 %v = load atomic i32, i32* %p seq_cst, align 4
100 %e = zext i32 %v to i64