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gerrit-public.fairphone.software / toolchain / llvm-project / 8ad045c1d14ff13a6f4acb3ce1ed83c1111856a8 / . / llvm / test / CodeGen / WebAssembly / signext-zeroext.ll
blob: 8ebf6ec269fd54c6f9640bab6a97df77b7c13b54 [file] [log] [blame]
Dan Gohman8ad045c2015-11-14 23:15:41 +0000[diff] [blame^]1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; Test zeroext and signext ABI keywords
4
5target datalayout = "e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8; CHECK-LABEL: z2s_func:
9; CHECK-NEXT: .param i32{{$}}
10; CHECK-NEXT: .result i32{{$}}
11; CHECK-NEXT: .local i32, i32, i32, i32{{$}}
12; CHECK-NEXT: i32.const $push, 24{{$}}
13; CHECK-NEXT: set_local 1, $pop{{$}}
14; CHECK-NEXT: i32.shl $push, (get_local 0), (get_local 1){{$}}
15; CHECK-NEXT: set_local 2, $pop{{$}}
16; CHECK-NEXT: i32.shr_s $push, (get_local 2), (get_local 1){{$}}
17; CHECK-NEXT: set_local 3, $pop{{$}}
18; CHECK-NEXT: return (get_local 3){{$}}
19define signext i8 @z2s_func(i8 zeroext %t) {
20 ret i8 %t
21}
22
23; CHECK-LABEL: s2z_func:
24; CHECK-NEXT: .param i32{{$}}
25; CHECK-NEXT: .result i32{{$}}
26; CHECK-NEXT: .local i32, i32, i32{{$}}
27; CHECK-NEXT: i32.const $push, 255{{$}}
28; CHECK-NEXT: set_local 1, $pop{{$}}
29; CHECK-NEXT: i32.and $push, (get_local 0), (get_local 1){{$}}
30; CHECK-NEXT: set_local 2, $pop{{$}}
31; CHECK-NEXT: return (get_local 2){{$}}
32define zeroext i8 @s2z_func(i8 signext %t) {
33 ret i8 %t
34}
35
36; CHECK-LABEL: z2s_call:
37; CHECK-NEXT: .param i32
38; CHECK-NEXT: .result i32
39; CHECK-NEXT: .local i32, i32, i32, i32
40; CHECK-NEXT: i32.const $push, 255
41; CHECK-NEXT: set_local 1, $pop
42; CHECK-NEXT: i32.and $push, (get_local 0), (get_local 1)
43; CHECK-NEXT: set_local 2, $pop
44; CHECK-NEXT: call z2s_func, $push, (get_local 2)
45; CHECK-NEXT: set_local 3, $pop
46; CHECK-NEXT: return (get_local 3)
47define i32 @z2s_call(i32 %t) {
48 %s = trunc i32 %t to i8
49 %u = call signext i8 @z2s_func(i8 zeroext %s)
50 %v = sext i8 %u to i32
51 ret i32 %v
52}
53
54; CHECK-LABEL: s2z_call:
55; CHECK-NEXT: .param i32
56; CHECK-NEXT: .result i32
57; CHECK-NEXT: .local i32, i32, i32, i32, i32, i32, i32
58; CHECK-NEXT: i32.const $push, 24
59; CHECK-NEXT: set_local 1, $pop
60; CHECK-NEXT: i32.shl $push, (get_local 0), (get_local 1)
61; CHECK-NEXT: set_local 2, $pop
62; CHECK-NEXT: i32.shr_s $push, (get_local 2), (get_local 1)
63; CHECK-NEXT: set_local 3, $pop
64; CHECK-NEXT: call s2z_func, $push, (get_local 3)
65; CHECK-NEXT: set_local 4, $pop
66; CHECK-NEXT: i32.shl $push, (get_local 4), (get_local 1)
67; CHECK-NEXT: set_local 5, $pop
68; CHECK-NEXT: i32.shr_s $push, (get_local 5), (get_local 1)
69; CHECK-NEXT: set_local 6, $pop
70; CHECK-NEXT: return (get_local 6)
71define i32 @s2z_call(i32 %t) {
72 %s = trunc i32 %t to i8
73 %u = call zeroext i8 @s2z_func(i8 signext %s)
74 %v = sext i8 %u to i32
75 ret i32 %v
76}