xref: /llvm-project/llvm/test/Transforms/IROutliner/outlining-address-taken.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
3
4; This test shows that we do not outline from basic blocks with their address
5; taken.
6
7@ba1 = constant ptr blockaddress (@dontoutline, %new_block)
8
9define void @outline_1() {
10; CHECK-LABEL: @outline_1(
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
13; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
14; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
15; CHECK-NEXT:    call void @[[FUNCTION_1:.*]](ptr [[A]], ptr [[B]], ptr [[C]])
16; CHECK-NEXT:    ret void
17;
18entry:
19  %a = alloca i32, align 4
20  %b = alloca i32, align 4
21  %c = alloca i32, align 4
22  store i32 2, ptr %a, align 4
23  store i32 3, ptr %b, align 4
24  store i32 4, ptr %c, align 4
25  %al = load i32, ptr %a
26  %bl = load i32, ptr %b
27  %cl = load i32, ptr %c
28  ret void
29}
30
31define void @outline_2() {
32; CHECK-LABEL: @outline_2(
33; CHECK-NEXT:  entry:
34; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
35; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
36; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
37; CHECK-NEXT:    call void @[[FUNCTION_1]](ptr [[A]], ptr [[B]], ptr [[C]])
38; CHECK-NEXT:    ret void
39;
40entry:
41  %a = alloca i32, align 4
42  %b = alloca i32, align 4
43  %c = alloca i32, align 4
44  store i32 2, ptr %a, align 4
45  store i32 3, ptr %b, align 4
46  store i32 4, ptr %c, align 4
47  %al = load i32, ptr %a
48  %bl = load i32, ptr %b
49  %cl = load i32, ptr %c
50  ret void
51}
52
53define void @dontoutline() {
54; CHECK-LABEL: @dontoutline(
55; CHECK-NEXT:  entry:
56; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
57; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
58; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
59; CHECK-NEXT:    br label [[NEW_BLOCK:%.*]]
60; CHECK:       new_block:
61; CHECK-NEXT:    store i32 2, ptr [[A]], align 4
62; CHECK-NEXT:    store i32 3, ptr [[B]], align 4
63; CHECK-NEXT:    store i32 4, ptr [[C]], align 4
64; CHECK-NEXT:    [[AL:%.*]] = load i32, ptr [[A]], align 4
65; CHECK-NEXT:    [[BL:%.*]] = load i32, ptr [[B]], align 4
66; CHECK-NEXT:    [[CL:%.*]] = load i32, ptr [[C]], align 4
67; CHECK-NEXT:    ret void
68;
69entry:
70  %a = alloca i32, align 4
71  %b = alloca i32, align 4
72  %c = alloca i32, align 4
73  br label %new_block
74new_block:
75  store i32 2, ptr %a, align 4
76  store i32 3, ptr %b, align 4
77  store i32 4, ptr %c, align 4
78  %al = load i32, ptr %a
79  %bl = load i32, ptr %b
80  %cl = load i32, ptr %c
81  ret void
82}
83
84; CHECK: define internal void @[[FUNCTION_1]](ptr [[ARG0:%.*]], ptr [[ARG1:%.*]], ptr [[ARG2:%.*]])
85; CHECK: entry_to_outline:
86; CHECK-NEXT:    store i32 2, ptr [[ARG0]], align 4
87; CHECK-NEXT:    store i32 3, ptr [[ARG1]], align 4
88; CHECK-NEXT:    store i32 4, ptr [[ARG2]], align 4
89; CHECK-NEXT:    [[AL:%.*]] = load i32, ptr [[ARG0]], align 4
90; CHECK-NEXT:    [[BL:%.*]] = load i32, ptr [[ARG1]], align 4
91; CHECK-NEXT:    [[CL:%.*]] = load i32, ptr [[ARG2]], align 4
92