1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -p argpromotion -S %s | FileCheck %s
3
4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
5
6@f = dso_local global { i16, i64 } { i16 1, i64 0 }, align 8
7
8; Test case for https://github.com/llvm/llvm-project/issues/84807.
9
10; Make sure the loads from @callee are not moved to @caller, as the store
11; in %then may aliases to load from %q.
12
13define i32 @caller1(i1 %c) {
14; CHECK-LABEL: define i32 @caller1(
15; CHECK-SAME: i1 [[C:%.*]]) {
16; CHECK-NEXT:  entry:
17; CHECK-NEXT:    call void @callee1(ptr noundef nonnull @f, i1 [[C]])
18; CHECK-NEXT:    ret i32 0
19;
20entry:
21  call void @callee1(ptr noundef nonnull @f, i1 %c)
22  ret i32 0
23}
24
25define internal void @callee1(ptr nocapture noundef readonly %q, i1 %c) {
26; CHECK-LABEL: define internal void @callee1(
27; CHECK-SAME: ptr noundef readonly captures(none) [[Q:%.*]], i1 [[C:%.*]]) {
28; CHECK-NEXT:  entry:
29; CHECK-NEXT:    br i1 [[C]], label [[THEN:%.*]], label [[EXIT:%.*]]
30; CHECK:       then:
31; CHECK-NEXT:    store i16 123, ptr @f, align 8
32; CHECK-NEXT:    br label [[EXIT]]
33; CHECK:       exit:
34; CHECK-NEXT:    [[Q_0_VAL:%.*]] = load i16, ptr [[Q]], align 8
35; CHECK-NEXT:    [[GEP_8:%.*]] = getelementptr inbounds i8, ptr [[Q]], i64 8
36; CHECK-NEXT:    [[Q_8_VAL:%.*]] = load i64, ptr [[GEP_8]], align 8
37; CHECK-NEXT:    call void @use(i16 [[Q_0_VAL]], i64 [[Q_8_VAL]])
38; CHECK-NEXT:    ret void
39;
40entry:
41  br i1 %c, label %then, label %exit
42
43then:
44  store i16 123, ptr @f, align 8
45  br label %exit
46
47exit:
48  %l.0 = load i16, ptr %q, align 8
49  %gep.8  = getelementptr inbounds i8, ptr %q, i64 8
50  %l.1 = load i64, ptr %gep.8, align 8
51  call void @use(i16 %l.0, i64 %l.1)
52  ret void
53
54  uselistorder ptr %q, { 1, 0 }
55}
56
57; Same as @caller1/callee2, but with default uselist order.
58define i32 @caller2(i1 %c) {
59; CHECK-LABEL: define i32 @caller2(
60; CHECK-SAME: i1 [[C:%.*]]) {
61; CHECK-NEXT:  entry:
62; CHECK-NEXT:    call void @callee2(ptr noundef nonnull @f, i1 [[C]])
63; CHECK-NEXT:    ret i32 0
64;
65entry:
66  call void @callee2(ptr noundef nonnull @f, i1 %c)
67  ret i32 0
68}
69
70define internal void @callee2(ptr nocapture noundef readonly %q, i1 %c) {
71; CHECK-LABEL: define internal void @callee2(
72; CHECK-SAME: ptr noundef readonly captures(none) [[Q:%.*]], i1 [[C:%.*]]) {
73; CHECK-NEXT:  entry:
74; CHECK-NEXT:    br i1 [[C]], label [[THEN:%.*]], label [[EXIT:%.*]]
75; CHECK:       then:
76; CHECK-NEXT:    store i16 123, ptr @f, align 8
77; CHECK-NEXT:    br label [[EXIT]]
78; CHECK:       exit:
79; CHECK-NEXT:    [[Q_0_VAL:%.*]] = load i16, ptr [[Q]], align 8
80; CHECK-NEXT:    [[GEP_8:%.*]] = getelementptr inbounds i8, ptr [[Q]], i64 8
81; CHECK-NEXT:    [[Q_8_VAL:%.*]] = load i64, ptr [[GEP_8]], align 8
82; CHECK-NEXT:    call void @use(i16 [[Q_0_VAL]], i64 [[Q_8_VAL]])
83; CHECK-NEXT:    ret void
84;
85entry:
86  br i1 %c, label %then, label %exit
87
88then:
89  store i16 123, ptr @f, align 8
90  br label %exit
91
92exit:
93  %l.0 = load i16, ptr %q, align 8
94  %gep.8  = getelementptr inbounds i8, ptr %q, i64 8
95  %l.1 = load i64, ptr %gep.8, align 8
96  call void @use(i16 %l.0, i64 %l.1)
97  ret void
98}
99
100declare void @use(i16, i64)
101