xref: /llvm-project/llvm/test/Transforms/IROutliner/phi-nodes-non-constant.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
1e8f4e41bSAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
29dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
3e8f4e41bSAndrew Litteken
4e8f4e41bSAndrew Litteken; Show that we do extract phi nodes from the regions.
5e8f4e41bSAndrew Litteken
6*f4b925eeSMatt Arsenaultdefine void @function1(ptr %a, ptr %b) {
7e8f4e41bSAndrew Littekenentry:
8e8f4e41bSAndrew Litteken  %0 = alloca i32, align 4
9*f4b925eeSMatt Arsenault  %c = load i32, ptr %0, align 4
10e8f4e41bSAndrew Litteken  br label %test1
11e8f4e41bSAndrew Littekentest1:
12*f4b925eeSMatt Arsenault  %e = load i32, ptr %0, align 4
13e8f4e41bSAndrew Litteken  br label %first
14e8f4e41bSAndrew Littekentest:
15*f4b925eeSMatt Arsenault  %d = load i32, ptr %0, align 4
16e8f4e41bSAndrew Litteken  br label %first
17e8f4e41bSAndrew Littekenfirst:
18e8f4e41bSAndrew Litteken  %1 = phi i32 [ %c, %test ], [ %e, %test1 ]
19*f4b925eeSMatt Arsenault  store i32 2, ptr %a, align 4
20*f4b925eeSMatt Arsenault  store i32 3, ptr %b, align 4
21e8f4e41bSAndrew Litteken  ret void
22e8f4e41bSAndrew Litteken}
23e8f4e41bSAndrew Litteken
24*f4b925eeSMatt Arsenaultdefine void @function2(ptr %a, ptr %b) {
25e8f4e41bSAndrew Littekenentry:
26e8f4e41bSAndrew Litteken  %0 = alloca i32, align 4
27*f4b925eeSMatt Arsenault  %c = load i32, ptr %0, align 4
28e8f4e41bSAndrew Litteken  br label %test1
29e8f4e41bSAndrew Littekentest1:
30*f4b925eeSMatt Arsenault  %e = load i32, ptr %0, align 4
31e8f4e41bSAndrew Litteken  br label %first
32e8f4e41bSAndrew Littekentest:
33*f4b925eeSMatt Arsenault  %d = load i32, ptr %0, align 4
34e8f4e41bSAndrew Litteken  br label %first
35e8f4e41bSAndrew Littekenfirst:
36e8f4e41bSAndrew Litteken  %1 = phi i32 [ %c, %test ], [ %e, %test1 ]
37*f4b925eeSMatt Arsenault  store i32 2, ptr %a, align 4
38*f4b925eeSMatt Arsenault  store i32 3, ptr %b, align 4
39e8f4e41bSAndrew Litteken  ret void
40e8f4e41bSAndrew Litteken}
41e8f4e41bSAndrew Litteken; CHECK-LABEL: @function1(
42e8f4e41bSAndrew Litteken; CHECK-NEXT:  entry:
43e8f4e41bSAndrew Litteken; CHECK-NEXT:    [[TMP0:%.*]] = alloca i32, align 4
44*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[TMP0]], ptr [[A:%.*]], ptr [[B:%.*]])
45e8f4e41bSAndrew Litteken; CHECK-NEXT:    ret void
46e8f4e41bSAndrew Litteken;
47e8f4e41bSAndrew Litteken;
48e8f4e41bSAndrew Litteken; CHECK-LABEL: @function2(
49e8f4e41bSAndrew Litteken; CHECK-NEXT:  entry:
50e8f4e41bSAndrew Litteken; CHECK-NEXT:    [[TMP0:%.*]] = alloca i32, align 4
51*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[TMP0]], ptr [[A:%.*]], ptr [[B:%.*]])
52e8f4e41bSAndrew Litteken; CHECK-NEXT:    ret void
53e8f4e41bSAndrew Litteken;
54e8f4e41bSAndrew Litteken;
55e8f4e41bSAndrew Litteken; CHECK: define internal void @outlined_ir_func_0(
56e8f4e41bSAndrew Litteken; CHECK-NEXT:  newFuncRoot:
57e8f4e41bSAndrew Litteken; CHECK-NEXT:    br label [[ENTRY_TO_OUTLINE:%.*]]
58e8f4e41bSAndrew Litteken; CHECK:       entry_to_outline:
59*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[C:%.*]] = load i32, ptr [[TMP0:%.*]], align 4
60e8f4e41bSAndrew Litteken; CHECK-NEXT:    br label [[TEST1:%.*]]
61e8f4e41bSAndrew Litteken; CHECK:       test1:
62*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[E:%.*]] = load i32, ptr [[TMP0]], align 4
63e8f4e41bSAndrew Litteken; CHECK-NEXT:    br label [[FIRST:%.*]]
64e8f4e41bSAndrew Litteken; CHECK:       test:
65*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[D:%.*]] = load i32, ptr [[TMP0]], align 4
66e8f4e41bSAndrew Litteken; CHECK-NEXT:    br label [[FIRST]]
67e8f4e41bSAndrew Litteken; CHECK:       first:
68e8f4e41bSAndrew Litteken; CHECK-NEXT:    [[TMP3:%.*]] = phi i32 [ [[C]], [[TEST:%.*]] ], [ [[E]], [[TEST1]] ]
69*f4b925eeSMatt Arsenault; CHECK-NEXT:    store i32 2, ptr [[TMP1:%.*]], align 4
70*f4b925eeSMatt Arsenault; CHECK-NEXT:    store i32 3, ptr [[TMP2:%.*]], align 4
71e8f4e41bSAndrew Litteken; CHECK-NEXT:    br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]
72e8f4e41bSAndrew Litteken; CHECK:       entry_after_outline.exitStub:
73e8f4e41bSAndrew Litteken; CHECK-NEXT:    ret void
74e8f4e41bSAndrew Litteken;
75