xref: /llvm-project/llvm/test/CodeGen/Generic/addr-use-count.ll (revision f1ec0d12bb0843f0deab83ef2b5cf1339cbc4f0b)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' < %s | FileCheck %s
3; REQUIRES: aarch64-registered-target
4
5; Test that `%addr` is sunk, after we've increased limit on the number of the memory uses to scan.
6
7target triple = "aarch64-linux"
8
9declare void @g(...)
10
11define void @f(ptr %p) {
12; CHECK-LABEL: @f(
13; CHECK-NEXT:  entry:
14; CHECK-NEXT:    [[SUNKADDR:%.*]] = getelementptr i8, ptr [[P:%.*]], i64 4
15; CHECK-NEXT:    [[T0:%.*]] = load i32, ptr [[SUNKADDR]], align 4
16; CHECK-NEXT:    [[T1:%.*]] = load i32, ptr [[SUNKADDR]], align 4
17; CHECK-NEXT:    [[T2:%.*]] = load i32, ptr [[SUNKADDR]], align 4
18; CHECK-NEXT:    [[T3:%.*]] = load i32, ptr [[SUNKADDR]], align 4
19; CHECK-NEXT:    [[T4:%.*]] = load i32, ptr [[SUNKADDR]], align 4
20; CHECK-NEXT:    [[T5:%.*]] = load i32, ptr [[SUNKADDR]], align 4
21; CHECK-NEXT:    [[T6:%.*]] = load i32, ptr [[SUNKADDR]], align 4
22; CHECK-NEXT:    [[T7:%.*]] = load i32, ptr [[SUNKADDR]], align 4
23; CHECK-NEXT:    [[T8:%.*]] = load i32, ptr [[SUNKADDR]], align 4
24; CHECK-NEXT:    [[T9:%.*]] = load i32, ptr [[SUNKADDR]], align 4
25; CHECK-NEXT:    [[T10:%.*]] = load i32, ptr [[SUNKADDR]], align 4
26; CHECK-NEXT:    [[T11:%.*]] = load i32, ptr [[SUNKADDR]], align 4
27; CHECK-NEXT:    [[T12:%.*]] = load i32, ptr [[SUNKADDR]], align 4
28; CHECK-NEXT:    [[T13:%.*]] = load i32, ptr [[SUNKADDR]], align 4
29; CHECK-NEXT:    [[T14:%.*]] = load i32, ptr [[SUNKADDR]], align 4
30; CHECK-NEXT:    [[T15:%.*]] = load i32, ptr [[SUNKADDR]], align 4
31; CHECK-NEXT:    [[T16:%.*]] = load i32, ptr [[SUNKADDR]], align 4
32; CHECK-NEXT:    [[T17:%.*]] = load i32, ptr [[SUNKADDR]], align 4
33; CHECK-NEXT:    [[T18:%.*]] = load i32, ptr [[SUNKADDR]], align 4
34; CHECK-NEXT:    [[SUNKADDR1:%.*]] = getelementptr i8, ptr [[P]], i64 8
35; CHECK-NEXT:    [[T19:%.*]] = load i32, ptr [[SUNKADDR1]], align 4
36; CHECK-NEXT:    call void @g(i32 [[T0]], i32 [[T1]], i32 [[T2]], i32 [[T3]], i32 [[T4]], i32 [[T5]], i32 [[T6]], i32 [[T7]], i32 [[T8]], i32 [[T9]], i32 [[T10]], i32 [[T11]], i32 [[T12]], i32 [[T13]], i32 [[T14]], i32 [[T15]], i32 [[T16]], i32 [[T17]], i32 [[T18]], i32 [[T19]])
37; CHECK-NEXT:    ret void
38;
39entry:
40  %addr = getelementptr i8, ptr %p, i32 4
41  br label %exit
42
43exit:
44  %t0 = load i32, ptr %addr
45  %t1 = load i32, ptr %addr
46  %t2 = load i32, ptr %addr
47  %t3 = load i32, ptr %addr
48  %t4 = load i32, ptr %addr
49  %t5 = load i32, ptr %addr
50  %t6 = load i32, ptr %addr
51  %t7 = load i32, ptr %addr
52  %t8 = load i32, ptr %addr
53  %t9 = load i32, ptr %addr
54  %t10 = load i32, ptr %addr
55  %t11 = load i32, ptr %addr
56  %t12 = load i32, ptr %addr
57  %t13 = load i32, ptr %addr
58  %t14 = load i32, ptr %addr
59  %t15 = load i32, ptr %addr
60  %t16 = load i32, ptr %addr
61  %t17 = load i32, ptr %addr
62  %t18 = load i32, ptr %addr
63  %addr.1 = getelementptr i8, ptr %addr, i32 4
64  %t19 = load i32, ptr %addr.1
65
66  call void @g(i32 %t0, i32 %t1, i32 %t2, i32 %t3, i32 %t4, i32 %t5, i32 %t6, i32 %t7,
67  i32 %t8, i32 %t9, i32 %t10, i32 %t11, i32 %t12, i32 %t13, i32 %t14, i32 %t15, i32 %t16,
68  i32 %t17, i32 %t18, i32 %t19)
69  ret void
70}
71