• Home
  • History
  • Annotate
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; Test that i1 extending loads and truncating stores are assembled properly.
4
5target datalayout = "e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8; CHECK-LABEL: load_u_i1_i32:
9; CHECK:      i32.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
10; CHECK-NEXT: return $pop[[NUM0]]{{$}}
11define i32 @load_u_i1_i32(i1* %p) {
12  %v = load i1, i1* %p
13  %e = zext i1 %v to i32
14  ret i32 %e
15}
16
17; CHECK-LABEL: load_s_i1_i32:
18; CHECK:      i32.const $[[NUM1:[0-9]+]]=, 31{{$}}
19; CHECK-NEXT: i32.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
20; CHECK-NEXT: shl $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $[[NUM1]]{{$}}
21; CHECK-NEXT: shr_s $push[[NUM3:[0-9]+]]=, $pop[[NUM2]], $[[NUM1]]{{$}}
22; CHECK-NEXT: return $pop[[NUM3]]{{$}}
23define i32 @load_s_i1_i32(i1* %p) {
24  %v = load i1, i1* %p
25  %e = sext i1 %v to i32
26  ret i32 %e
27}
28
29; CHECK-LABEL: load_u_i1_i64:
30; CHECK:      i64.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
31; CHECK-NEXT: return $pop[[NUM0]]{{$}}
32define i64 @load_u_i1_i64(i1* %p) {
33  %v = load i1, i1* %p
34  %e = zext i1 %v to i64
35  ret i64 %e
36}
37
38; CHECK-LABEL: load_s_i1_i64:
39; CHECK:      i64.const $[[NUM1:[0-9]+]]=, 63{{$}}
40; CHECK-NEXT: i64.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
41; CHECK-NEXT: shl $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $[[NUM1]]{{$}}
42; CHECK-NEXT: shr_s $push[[NUM3:[0-9]+]]=, $pop[[NUM2]], $[[NUM1]]{{$}}
43; CHECK-NEXT: return $pop[[NUM3]]{{$}}
44define i64 @load_s_i1_i64(i1* %p) {
45  %v = load i1, i1* %p
46  %e = sext i1 %v to i64
47  ret i64 %e
48}
49
50; CHECK-LABEL: store_i32_i1:
51; CHECK:      i32.const $push[[NUM0:[0-9]+]]=, 1{{$}}
52; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $1, $pop[[NUM0]]{{$}}
53; CHECK-NEXT: i32.store8 $discard=, 0($0), $pop[[NUM1]]{{$}}
54define void @store_i32_i1(i1* %p, i32 %v) {
55  %t = trunc i32 %v to i1
56  store i1 %t, i1* %p
57  ret void
58}
59
60; CHECK-LABEL: store_i64_i1:
61; CHECK:      i64.const $push[[NUM0:[0-9]+]]=, 1{{$}}
62; CHECK-NEXT: i64.and $push[[NUM1:[0-9]+]]=, $1, $pop[[NUM0]]{{$}}
63; CHECK-NEXT: i64.store8 $discard=, 0($0), $pop[[NUM1]]{{$}}
64define void @store_i64_i1(i1* %p, i64 %v) {
65  %t = trunc i64 %v to i1
66  store i1 %t, i1* %p
67  ret void
68}
69