xref: /llvm-project/llvm/test/Transforms/Inline/cgscc-inline-replay.ll (revision 151602c7a9935558ca671b35359989b261045db0)
1;; Note that this needs new pass manager for now. Passing `-cgscc-inline-replay` to legacy pass manager is a no-op.
2
3;; Check baseline inline decisions
4; RUN: opt < %s -passes=inline -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=DEFAULT %s
5
6;; Check Module scope Original fallback replay inline decisions
7; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-scope=Module -cgscc-inline-replay-fallback=Original -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s
8
9;; Check Module scope Original fallback replay inline with 'Line' format decisions
10;; The results are not different than REPLAY-MODULE-ORIGINAL, but the replay input only contains line numbers rather than line:column.discriminator
11; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay-line.txt -cgscc-inline-replay-scope=Module -cgscc-inline-replay-fallback=Original -cgscc-inline-replay-format=Line -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s
12
13;; Check Module scope AlwaysInline fallback replay inline decisions
14; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-scope=Module -cgscc-inline-replay-fallback=AlwaysInline -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ALWAYS %s
15
16;; Check Module scope NeverInline fallback replay inline decisions
17; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-scope=Module -cgscc-inline-replay-fallback=NeverInline -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-NEVER %s
18
19;; Check Function scope Original fallback replay inline decisions
20; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay-function.txt -cgscc-inline-replay-scope=Function -cgscc-inline-replay-fallback=Original -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-FUNCTION-ORIGINAL %s
21
22;; Check Function scope AlwaysInline fallback replay inline decisions
23; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay-function.txt -cgscc-inline-replay-scope=Function -cgscc-inline-replay-fallback=AlwaysInline -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-FUNCTION-ALWAYS %s
24
25;; Check Function scope NeverInline fallback replay inline decisions
26; RUN: opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay-function.txt -cgscc-inline-replay-scope=Function -cgscc-inline-replay-fallback=NeverInline -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-FUNCTION-NEVER %s
27
28;; Check behavior on non-existent replay file
29; RUN: not opt < %s -passes=inline -cgscc-inline-replay=%S/non-existent-dummy.txt -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR %s
30
31;; Check scope inlining errors out on non <Module|Function> inputs
32; RUN: not opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-scope=function -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-SCOPE %s
33
34;; Check fallback inlining errors out on non <Original|AlwaysInline|NeverInline> inputs
35; RUN: not opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-fallback=original -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-FALLBACK %s
36
37;; Check format inlining errors out on non <Line|AlwayLineColumnsInline|LineDiscriminator|LineColumnDiscriminator> inputs
38; RUN: not opt < %s -passes=inline -cgscc-inline-replay=%S/Inputs/cgscc-inline-replay.txt -cgscc-inline-replay-format=line -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-FORMAT %s
39
40; DEFAULT: '_Z3subii' inlined into '_Z3sumii' with (cost={{[-0-9]+}}
41; DEFAULT: '_Z3sumii' inlined into 'main' with (cost={{[-0-9]+}}
42; DEFAULT-NOT: '_Z3subii' inlined into 'main'
43
44; REPLAY-MODULE-ORIGINAL: '_Z3sumii' inlined into 'main' with (cost=always)
45; REPLAY-MODULE-ORIGINAL: '_Z3subii' inlined into 'main' with (cost={{[-0-9]+}}
46
47; REPLAY-MODULE-ALWAYS: '_Z3sumii' inlined into 'main' with (cost=always)
48; REPLAY-MODULE-ALWAYS: '_Z3subii' inlined into 'main' with (cost=always)
49
50; REPLAY-MODULE-NEVER: '_Z3sumii' inlined into 'main' with (cost=always)
51; REPLAY-MODULE-NEVER-NOT: '_Z3subii' inlined into 'main'
52
53; REPLAY-FUNCTION-ORIGINAL: '_Z3subii' inlined into '_Z3sumii' with (cost={{[-0-9]+}}
54; REPLAY-FUNCTION-ORIGINAL: '_Z3sumii' inlined into 'main' with (cost={{[-0-9]+}}
55
56; REPLAY-FUNCTION-ALWAYS: '_Z3subii' inlined into '_Z3sumii' with (cost={{[-0-9]+}}
57; REPLAY-FUNCTION-ALWAYS: '_Z3sumii' inlined into 'main' with (cost=always)
58
59; REPLAY-FUNCTION-NEVER: '_Z3subii' inlined into '_Z3sumii' with (cost={{[-0-9]+}}
60; REPLAY-FUNCTION-NEVER-NOT: '_Z3sumii' inlined into 'main'
61
62; REPLAY-ERROR: error: Could not open remarks file:
63; REPLAY-ERROR-SCOPE: for the --cgscc-inline-replay-scope option: Cannot find option named 'function'!
64; REPLAY-ERROR-FALLBACK: for the --cgscc-inline-replay-fallback option: Cannot find option named 'original'!
65; REPLAY-ERROR-FORMAT: for the --cgscc-inline-replay-format option: Cannot find option named 'line'!
66
67@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
68
69define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !6 {
70entry:
71  %x.addr = alloca i32, align 4
72  %y.addr = alloca i32, align 4
73  store i32 %x, ptr %x.addr, align 4
74  store i32 %y, ptr %y.addr, align 4
75  %tmp = load i32, ptr %x.addr, align 4, !dbg !8
76  %tmp1 = load i32, ptr %y.addr, align 4, !dbg !8
77  %add = add nsw i32 %tmp, %tmp1, !dbg !8
78  %tmp2 = load i32, ptr %x.addr, align 4, !dbg !8
79  %tmp3 = load i32, ptr %y.addr, align 4, !dbg !8
80  %call = call i32 @_Z3subii(i32 %tmp2, i32 %tmp3), !dbg !8
81  ret i32 %add, !dbg !8
82}
83
84define i32 @_Z3subii(i32 %x, i32 %y) #0 !dbg !9 {
85entry:
86  %x.addr = alloca i32, align 4
87  %y.addr = alloca i32, align 4
88  store i32 %x, ptr %x.addr, align 4
89  store i32 %y, ptr %y.addr, align 4
90  %tmp = load i32, ptr %x.addr, align 4, !dbg !10
91  %tmp1 = load i32, ptr %y.addr, align 4, !dbg !10
92  %add = sub nsw i32 %tmp, %tmp1, !dbg !10
93  ret i32 %add, !dbg !11
94}
95
96define i32 @main() #0 !dbg !12 {
97entry:
98  %retval = alloca i32, align 4
99  %s = alloca i32, align 4
100  %i = alloca i32, align 4
101  store i32 0, ptr %retval
102  store i32 0, ptr %i, align 4, !dbg !13
103  br label %while.cond, !dbg !14
104
105while.cond:                                       ; preds = %if.end, %entry
106  %tmp = load i32, ptr %i, align 4, !dbg !15
107  %inc = add nsw i32 %tmp, 1, !dbg !15
108  store i32 %inc, ptr %i, align 4, !dbg !15
109  %cmp = icmp slt i32 %tmp, 400000000, !dbg !15
110  br i1 %cmp, label %while.body, label %while.end, !dbg !15
111
112while.body:                                       ; preds = %while.cond
113  %tmp1 = load i32, ptr %i, align 4, !dbg !17
114  %cmp1 = icmp ne i32 %tmp1, 100, !dbg !17
115  br i1 %cmp1, label %if.then, label %if.else, !dbg !17
116
117if.then:                                          ; preds = %while.body
118  %tmp2 = load i32, ptr %i, align 4, !dbg !19
119  %tmp3 = load i32, ptr %s, align 4, !dbg !19
120  %call = call i32 @_Z3sumii(i32 %tmp2, i32 %tmp3), !dbg !19
121  store i32 %call, ptr %s, align 4, !dbg !19
122  br label %if.end, !dbg !19
123
124if.else:                                          ; preds = %while.body
125  store i32 30, ptr %s, align 4, !dbg !21
126  br label %if.end
127
128if.end:                                           ; preds = %if.else, %if.then
129  br label %while.cond, !dbg !23
130
131while.end:                                        ; preds = %while.cond
132  %tmp4 = load i32, ptr %s, align 4, !dbg !25
133  %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %tmp4), !dbg !25
134  ret i32 0, !dbg !26
135}
136
137declare i32 @printf(ptr, ...)
138
139attributes #0 = { "use-sample-profile" }
140
141!llvm.dbg.cu = !{!0}
142!llvm.module.flags = !{!3, !4}
143!llvm.ident = !{!5}
144
145!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
146!1 = !DIFile(filename: "calls.cc", directory: ".")
147!2 = !{}
148!3 = !{i32 2, !"Dwarf Version", i32 4}
149!4 = !{i32 1, !"Debug Info Version", i32 3}
150!5 = !{!"clang version 3.5 "}
151!6 = distinct !DISubprogram(name: "sum", linkageName: "_Z3sumii", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
152!7 = !DISubroutineType(types: !2)
153!8 = !DILocation(line: 4, scope: !6)
154!9 = distinct !DISubprogram(name: "sub", linkageName: "_Z3subii", scope: !1, file: !1, line: 20, type: !7, scopeLine: 20, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
155!10 = !DILocation(line: 20, scope: !9)
156!11 = !DILocation(line: 21, scope: !9)
157!12 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
158!13 = !DILocation(line: 8, scope: !12)
159!14 = !DILocation(line: 9, scope: !12)
160!15 = !DILocation(line: 9, scope: !16)
161!16 = !DILexicalBlockFile(scope: !12, file: !1, discriminator: 2)
162!17 = !DILocation(line: 10, scope: !18)
163!18 = distinct !DILexicalBlock(scope: !12, file: !1, line: 10)
164!19 = !DILocation(line: 10, scope: !20)
165!20 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 2)
166!21 = !DILocation(line: 10, scope: !22)
167!22 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 4)
168!23 = !DILocation(line: 10, scope: !24)
169!24 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 6)
170!25 = !DILocation(line: 11, scope: !12)
171!26 = !DILocation(line: 12, scope: !12)
172