xref: /llvm-project/llvm/test/Transforms/NaryReassociate/preserving-debugloc-add-mul.ll (revision c2f92a33464bd9b76007ad5817952000add0033e)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt < %s -passes=nary-reassociate -S | FileCheck %s
3
4; Test that NaryReassociate's tryReassociatedBinaryOp() propagates the
5; debug location to new `add` and `mul` from the original binary operator
6; they replaced (`%3` in both `@add_reassociate` and `@mul_reassociate`).
7
8define void @add_reassociate(i32 %a, i32 %b, i32 %c) !dbg !5 {
9; CHECK-LABEL: define void @add_reassociate(
10; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i32 [[C:%.*]]) !dbg [[DBG5:![0-9]+]] {
11; CHECK-NEXT:    [[TMP1:%.*]] = add i32 [[A]], [[C]]
12; CHECK-NEXT:    call void @foo(i32 [[TMP1]])
13; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP1]], [[B]], !dbg [[DBG8:![0-9]+]]
14; CHECK-NEXT:    call void @foo(i32 [[TMP2]])
15; CHECK-NEXT:    ret void
16;
17  %1 = add i32 %a, %c
18  call void @foo(i32 %1)
19  %2 = add i32 %b, %c
20  %3 = add i32 %a, %2, !dbg !11
21  call void @foo(i32 %3)
22  ret void
23}
24
25define void @mul_reassociate(i32 %a, i32 %b, i32 %c) !dbg !14 {
26; CHECK-LABEL: define void @mul_reassociate(
27; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i32 [[C:%.*]]) !dbg [[DBG9:![0-9]+]] {
28; CHECK-NEXT:    [[TMP1:%.*]] = mul i32 [[A]], [[C]]
29; CHECK-NEXT:    call void @foo(i32 [[TMP1]])
30; CHECK-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], [[B]], !dbg [[DBG10:![0-9]+]]
31; CHECK-NEXT:    call void @foo(i32 [[TMP2]])
32; CHECK-NEXT:    ret void
33;
34  %1 = mul i32 %a, %c
35  call void @foo(i32 %1)
36  %2 = mul i32 %a, %b
37  %3 = mul i32 %2, %c, !dbg !18
38  call void @foo(i32 %3)
39  ret void
40}
41
42declare void @foo(i32)
43
44!llvm.dbg.cu = !{!0}
45!llvm.debugify = !{!2, !3}
46!llvm.module.flags = !{!4}
47
48!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
49!1 = !DIFile(filename: "test.ll", directory: "/")
50!2 = !{i32 12}
51!3 = !{i32 0}
52!4 = !{i32 2, !"Debug Info Version", i32 3}
53!5 = distinct !DISubprogram(name: "add_reassociate", linkageName: "add_reassociate", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
54!6 = !DISubroutineType(types: !7)
55!7 = !{}
56!11 = !DILocation(line: 4, column: 1, scope: !5)
57!14 = distinct !DISubprogram(name: "mul_reassociate", linkageName: "mul_reassociate", scope: null, file: !1, line: 7, type: !6, scopeLine: 7, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
58!18 = !DILocation(line: 10, column: 1, scope: !14)
59
60;.
61; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C, file: [[META1:![0-9]+]], producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
62; CHECK: [[META1]] = !DIFile(filename: "test.ll", directory: {{.*}})
63; CHECK: [[DBG5]] = distinct !DISubprogram(name: "add_reassociate", linkageName: "add_reassociate", scope: null, file: [[META1]], line: 1, type: [[META6:![0-9]+]], scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
64; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
65; CHECK: [[META7]] = !{}
66; CHECK: [[DBG8]] = !DILocation(line: 4, column: 1, scope: [[DBG5]])
67; CHECK: [[DBG9]] = distinct !DISubprogram(name: "mul_reassociate", linkageName: "mul_reassociate", scope: null, file: [[META1]], line: 7, type: [[META6]], scopeLine: 7, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
68; CHECK: [[DBG10]] = !DILocation(line: 10, column: 1, scope: [[DBG9]])
69;.
70