forked from OSchip/llvm-project
55 lines
2.1 KiB
LLVM
55 lines
2.1 KiB
LLVM
; RUN: opt < %s -passes=sample-profile -sample-profile-use-profi -sample-profile-file=%S/Inputs/profile-inference-noprobes.prof -S | FileCheck %s
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; RUN: opt < %s -passes=sample-profile -sample-profile-use-profi -sample-profile-file=%S/Inputs/profile-inference-noprobes.prof | opt -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s --check-prefix=CHECK2
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; The test verifies that profile inference can be applied for non-probe-based
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; profiles.
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;
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; +---------+ +----------+
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; | b3 [40] | <-- | b1 [100] |
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; +---------+ +----------+
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; |
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; |
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; v
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; +----------+
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; | b2 [0] |
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; +----------+
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@yydebug = dso_local global i32 0, align 4
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define void @test_4() #0 !dbg !4 {
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;entry:
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; ret void, !dbg !9
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b1:
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%0 = load i32, i32* @yydebug, align 4
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%cmp = icmp ne i32 %0, 0, !dbg !9
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br i1 %cmp, label %b2, label %b3, !dbg !9
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; CHECK2: - b1: float = {{.*}}, int = {{.*}}, count = 100
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b2:
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ret void
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; CHECK2: - b2: float = {{.*}}, int = {{.*}}, count = 60
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b3:
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ret void, !dbg !10
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; CHECK2: - b3: float = {{.*}}, int = {{.*}}, count = 40
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}
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; CHECK: {{.*}} = !{!"function_entry_count", i64 100}
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; CHECK: {{.*}} = !{!"branch_weights", i32 60, i32 40}
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attributes #0 = { noinline nounwind uwtable "use-sample-profile"}
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!llvm.module.flags = !{!6, !7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 237249) (llvm/trunk 237261)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "entry_counts.c", directory: ".")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "test_4", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, retainedNodes: !2)
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!5 = !DISubroutineType(types: !2)
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !{!"clang version 3.7.0 (trunk 237249) (llvm/trunk 237261)"}
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!9 = !DILocation(line: 1, column: 15, scope: !4)
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!10 = !DILocation(line: 3, column: 15, scope: !4)
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