• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; Reassociation should apply to Add, Mul, And, Or, & Xor
2;
3; RUN: opt < %s -reassociate -constprop -instcombine -die -S | FileCheck %s
4
5define i32 @test_mul(i32 %arg) {
6; CHECK-LABEL: test_mul
7; CHECK-NEXT: %tmp2 = mul i32 %arg, 144
8; CHECK-NEXT: ret i32 %tmp2
9
10  %tmp1 = mul i32 12, %arg
11  %tmp2 = mul i32 %tmp1, 12
12  ret i32 %tmp2
13}
14
15define i32 @test_and(i32 %arg) {
16; CHECK-LABEL: test_and
17; CHECK-NEXT: %tmp2 = and i32 %arg, 14
18; CHECK-NEXT: ret i32 %tmp2
19
20  %tmp1 = and i32 14, %arg
21  %tmp2 = and i32 %tmp1, 14
22  ret i32 %tmp2
23}
24
25define i32 @test_or(i32 %arg) {
26; CHECK-LABEL: test_or
27; CHECK-NEXT: %tmp2 = or i32 %arg, 14
28; CHECK-NEXT: ret i32 %tmp2
29
30  %tmp1 = or i32 14, %arg
31  %tmp2 = or i32 %tmp1, 14
32  ret i32 %tmp2
33}
34
35define i32 @test_xor(i32 %arg) {
36; CHECK-LABEL: test_xor
37; CHECK-NEXT: ret i32 %arg
38
39  %tmp1 = xor i32 12, %arg
40  %tmp2 = xor i32 %tmp1, 12
41  ret i32 %tmp2
42}
43