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1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
4
5; PR4548
6define i8 @udiv_i8(i8 %a, i8 %b) nounwind {
7  %conv = zext i8 %a to i32
8  %conv2 = zext i8 %b to i32
9  %div = udiv i32 %conv, %conv2
10  %conv3 = trunc i32 %div to i8
11  ret i8 %conv3
12; CHECK-LABEL: @udiv_i8(
13; CHECK: udiv i8 %a, %b
14}
15
16define i8 @urem_i8(i8 %a, i8 %b) nounwind {
17  %conv = zext i8 %a to i32
18  %conv2 = zext i8 %b to i32
19  %div = urem i32 %conv, %conv2
20  %conv3 = trunc i32 %div to i8
21  ret i8 %conv3
22; CHECK-LABEL: @urem_i8(
23; CHECK: urem i8 %a, %b
24}
25
26define i32 @udiv_i32(i8 %a, i8 %b) nounwind {
27  %conv = zext i8 %a to i32
28  %conv2 = zext i8 %b to i32
29  %div = udiv i32 %conv, %conv2
30  ret i32 %div
31; CHECK-LABEL: @udiv_i32(
32; CHECK: udiv i8 %a, %b
33; CHECK: zext
34}
35
36define i32 @urem_i32(i8 %a, i8 %b) nounwind {
37  %conv = zext i8 %a to i32
38  %conv2 = zext i8 %b to i32
39  %div = urem i32 %conv, %conv2
40  ret i32 %div
41; CHECK-LABEL: @urem_i32(
42; CHECK: urem i8 %a, %b
43; CHECK: zext
44}
45
46define i32 @udiv_i32_c(i8 %a) nounwind {
47  %conv = zext i8 %a to i32
48  %div = udiv i32 %conv, 10
49  ret i32 %div
50; CHECK-LABEL: @udiv_i32_c(
51; CHECK: udiv i8 %a, 10
52; CHECK: zext
53}
54
55define i32 @urem_i32_c(i8 %a) nounwind {
56  %conv = zext i8 %a to i32
57  %div = urem i32 %conv, 10
58  ret i32 %div
59; CHECK-LABEL: @urem_i32_c(
60; CHECK: urem i8 %a, 10
61; CHECK: zext
62}
63