xref: /llvm-project/llvm/test/Transforms/IROutliner/outlining-same-constants.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
1dae34463SAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
29dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
3dae34463SAndrew Litteken
4dae34463SAndrew Litteken; This test looks at the constants in the regions, and if it they are the
5dae34463SAndrew Litteken; same it outlines them as constants rather than elevating them to arguments.
6dae34463SAndrew Litteken
7dae34463SAndrew Littekendefine void @outline_constants1() {
8dae34463SAndrew Litteken; CHECK-LABEL: @outline_constants1(
9dae34463SAndrew Litteken; CHECK-NEXT:  entry:
10dae34463SAndrew Litteken; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
11dae34463SAndrew Litteken; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
12dae34463SAndrew Litteken; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
13*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @[[FUNCTION_0:.*]](ptr [[A]], ptr [[B]], ptr [[C]])
14dae34463SAndrew Litteken; CHECK-NEXT:    ret void
15dae34463SAndrew Litteken;
16dae34463SAndrew Littekenentry:
17dae34463SAndrew Litteken  %a = alloca i32, align 4
18dae34463SAndrew Litteken  %b = alloca i32, align 4
19dae34463SAndrew Litteken  %c = alloca i32, align 4
20*f4b925eeSMatt Arsenault  store i32 2, ptr %a, align 4
21*f4b925eeSMatt Arsenault  store i32 3, ptr %b, align 4
22*f4b925eeSMatt Arsenault  store i32 4, ptr %c, align 4
23*f4b925eeSMatt Arsenault  %al = load i32, ptr %a
24*f4b925eeSMatt Arsenault  %bl = load i32, ptr %b
25*f4b925eeSMatt Arsenault  %cl = load i32, ptr %c
26dae34463SAndrew Litteken  ret void
27dae34463SAndrew Litteken}
28dae34463SAndrew Litteken
29dae34463SAndrew Littekendefine void @outline_constants2() {
30dae34463SAndrew Litteken; CHECK-LABEL: @outline_constants2(
31dae34463SAndrew Litteken; CHECK-NEXT:  entry:
32dae34463SAndrew Litteken; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
33dae34463SAndrew Litteken; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
34dae34463SAndrew Litteken; CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
35*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @[[FUNCTION_0]](ptr [[A]], ptr [[B]], ptr [[C]])
36dae34463SAndrew Litteken; CHECK-NEXT:    ret void
37dae34463SAndrew Litteken;
38dae34463SAndrew Littekenentry:
39dae34463SAndrew Litteken  %a = alloca i32, align 4
40dae34463SAndrew Litteken  %b = alloca i32, align 4
41dae34463SAndrew Litteken  %c = alloca i32, align 4
42*f4b925eeSMatt Arsenault  store i32 2, ptr %a, align 4
43*f4b925eeSMatt Arsenault  store i32 3, ptr %b, align 4
44*f4b925eeSMatt Arsenault  store i32 4, ptr %c, align 4
45*f4b925eeSMatt Arsenault  %al = load i32, ptr %a
46*f4b925eeSMatt Arsenault  %bl = load i32, ptr %b
47*f4b925eeSMatt Arsenault  %cl = load i32, ptr %c
48dae34463SAndrew Litteken  ret void
49dae34463SAndrew Litteken}
50dae34463SAndrew Litteken
51*f4b925eeSMatt Arsenault; CHECK: define internal void @[[FUNCTION_0]](ptr [[ARG0:%.*]], ptr [[ARG1:%.*]], ptr [[ARG2:%.*]])
52dae34463SAndrew Litteken; CHECK: entry_to_outline:
53*f4b925eeSMatt Arsenault; CHECK-NEXT:    store i32 2, ptr [[ARG0]], align 4
54*f4b925eeSMatt Arsenault; CHECK-NEXT:    store i32 3, ptr [[ARG1]], align 4
55*f4b925eeSMatt Arsenault; CHECK-NEXT:    store i32 4, ptr [[ARG2]], align 4
56*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[AL:%.*]] = load i32, ptr [[ARG0]], align 4
57*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[BL:%.*]] = load i32, ptr [[ARG1]], align 4
58*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[CL:%.*]] = load i32, ptr [[ARG2]], align 4
59