xref: /llvm-project/llvm/test/Transforms/SampleProfile/inline-noduplicate.ll (revision 0271ae65a66367d802fa6866599d11e35f68450f)
1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s
2
3; Similar to inline.ll test, but the callee contains a noduplicate instruction.
4
5@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
6
7declare void @foo()
8declare void @bar()
9
10; Function Attrs: nounwind uwtable
11define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
12entry:
13  call void @foo() noduplicate
14  ; Just to inflate the cost
15  call void @bar() "call-inline-cost"="1000"
16  %x.addr = alloca i32, align 4
17  %y.addr = alloca i32, align 4
18  store i32 %x, ptr %x.addr, align 4
19  store i32 %y, ptr %y.addr, align 4
20  %0 = load i32, ptr %x.addr, align 4, !dbg !11
21  %1 = load i32, ptr %y.addr, align 4, !dbg !11
22  %add = add nsw i32 %0, %1, !dbg !11
23  ret i32 %add, !dbg !11
24}
25
26; Function Attrs: uwtable
27define i32 @main() #0 !dbg !7 {
28entry:
29  %retval = alloca i32, align 4
30  %s = alloca i32, align 4
31  %i = alloca i32, align 4
32  store i32 0, ptr %retval
33  store i32 0, ptr %i, align 4, !dbg !12
34  br label %while.cond, !dbg !13
35
36while.cond:                                       ; preds = %if.end, %entry
37  %0 = load i32, ptr %i, align 4, !dbg !14
38  %inc = add nsw i32 %0, 1, !dbg !14
39  store i32 %inc, ptr %i, align 4, !dbg !14
40  %cmp = icmp slt i32 %0, 400000000, !dbg !14
41  br i1 %cmp, label %while.body, label %while.end, !dbg !14
42
43while.body:                                       ; preds = %while.cond
44  %1 = load i32, ptr %i, align 4, !dbg !16
45  %cmp1 = icmp ne i32 %1, 100, !dbg !16
46  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
47
48
49if.then:                                          ; preds = %while.body
50  %2 = load i32, ptr %i, align 4, !dbg !18
51  %3 = load i32, ptr %s, align 4, !dbg !18
52  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
53; _Z3sumii should not be inlined because of the noduplicate call to foo.
54; CHECK: call i32 @_Z3sumii
55; CHECK-NOT: call void @foo
56  store i32 %call, ptr %s, align 4, !dbg !18
57  br label %if.end, !dbg !18
58
59if.else:                                          ; preds = %while.body
60  store i32 30, ptr %s, align 4, !dbg !20
61  br label %if.end
62
63if.end:                                           ; preds = %if.else, %if.then
64  br label %while.cond, !dbg !22
65
66while.end:                                        ; preds = %while.cond
67  %4 = load i32, ptr %s, align 4, !dbg !24
68  %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4), !dbg !24
69  ret i32 0, !dbg !25
70}
71
72declare i32 @printf(ptr, ...) #2
73
74attributes #0 = { "use-sample-profile" }
75
76!llvm.dbg.cu = !{!0}
77!llvm.module.flags = !{!8, !9}
78!llvm.ident = !{!10}
79
80!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
81!1 = !DIFile(filename: "calls.cc", directory: ".")
82!2 = !{}
83!4 = distinct !DISubprogram(name: "sum", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
84!5 = !DIFile(filename: "calls.cc", directory: ".")
85!6 = !DISubroutineType(types: !2)
86!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2)
87!8 = !{i32 2, !"Dwarf Version", i32 4}
88!9 = !{i32 1, !"Debug Info Version", i32 3}
89!10 = !{!"clang version 3.5 "}
90!11 = !DILocation(line: 4, scope: !4)
91!12 = !DILocation(line: 8, scope: !7)
92!13 = !DILocation(line: 9, scope: !7)
93!14 = !DILocation(line: 9, scope: !15)
94!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
95!16 = !DILocation(line: 10, scope: !17)
96!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
97!18 = !DILocation(line: 10, scope: !19)
98!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
99!20 = !DILocation(line: 10, scope: !21)
100!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
101!22 = !DILocation(line: 10, scope: !23)
102!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
103!24 = !DILocation(line: 11, scope: !7)
104!25 = !DILocation(line: 12, scope: !7)
105