xref: /llvm-project/llvm/test/Transforms/LICM/pr64897.ll (revision 753c51bf889e605a2daf92e1710d7ad5ebc76ec3)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -S -passes=licm < %s | FileCheck %s
3
4define void @test(i1 %c, i8 %x) {
5; CHECK-LABEL: define void @test(
6; CHECK-SAME: i1 [[C:%.*]], i8 [[X:%.*]]) {
7; CHECK-NEXT:  start:
8; CHECK-NEXT:    [[A:%.*]] = alloca [16 x i8], align 8
9; CHECK-NEXT:    [[P:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 8
10; CHECK-NEXT:    [[P_COPY:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 8
11; CHECK-NEXT:    [[P2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 12
12; CHECK-NEXT:    br label [[LOOP:%.*]]
13; CHECK:       loop:
14; CHECK-NEXT:    store i32 286331153, ptr [[P]], align 4
15; CHECK-NEXT:    store i32 34, ptr [[P_COPY]], align 4
16; CHECK-NEXT:    store i64 3689348814741910323, ptr [[P_COPY]], align 4
17; CHECK-NEXT:    [[VAL:%.*]] = load i8, ptr [[P2]], align 1
18; CHECK-NEXT:    call void @use(i8 [[VAL]])
19; CHECK-NEXT:    store i8 0, ptr [[P2]], align 1
20; CHECK-NEXT:    br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]]
21; CHECK:       exit:
22; CHECK-NEXT:    ret void
23;
24start:
25  %a = alloca [16 x i8], align 8
26  %p = getelementptr inbounds i8, ptr %a, i64 8
27  %p.copy = getelementptr inbounds i8, ptr %a, i64 8
28  %p2 = getelementptr inbounds i8, ptr %a, i64 12
29  br label %loop
30
31loop:
32  store i32 u0x11111111, ptr %p
33  store i32 u0x22, ptr %p.copy
34  store i64 u0x3333333333333333, ptr %p.copy
35  %val = load i8, ptr %p2
36  call void @use(i8 %val)
37  store i8 0, ptr %p2
38  br i1 %c, label %loop, label %exit
39
40exit:
41  ret void
42}
43
44declare void @use(i8)
45