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53 lines
1.6 KiB
LLVM
53 lines
1.6 KiB
LLVM
; REQUIRES: x86-registered-target
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; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -codegenprepare -S < %s | FileCheck %s
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; Test to ensure that split cold function gets 0 entry count profile
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; metadata when compiling with pgo.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.14.0"
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; CHECK: define {{.*}} @fun{{.*}} ![[HOTPROF:[0-9]+]] {{.*}}section_prefix ![[LIKELY:[0-9]+]]
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; CHECK: call void @fun.cold.1
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define void @fun() !prof !14 {
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entry:
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br i1 undef, label %if.then, label %if.else
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if.then:
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ret void
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if.else:
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call void @sink()
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ret void
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}
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declare void @sink() cold
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; CHECK: define {{.*}} @fun.cold.1{{.*}} ![[PROF:[0-9]+]] {{.*}}section_prefix ![[UNLIKELY:[0-9]+]]
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; CHECK: ![[HOTPROF]] = !{!"function_entry_count", i64 100}
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; CHECK: ![[LIKELY]] = !{!"function_section_prefix", !".hot"}
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; CHECK: ![[PROF]] = !{!"function_entry_count", i64 0}
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; CHECK: ![[UNLIKELY]] = !{!"function_section_prefix", !".unlikely"}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"ProfileSummary", !1}
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!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
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!2 = !{!"ProfileFormat", !"InstrProf"}
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!3 = !{!"TotalCount", i64 10000}
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!4 = !{!"MaxCount", i64 10}
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!5 = !{!"MaxInternalCount", i64 1}
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!6 = !{!"MaxFunctionCount", i64 1000}
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!7 = !{!"NumCounts", i64 3}
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!8 = !{!"NumFunctions", i64 3}
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!9 = !{!"DetailedSummary", !10}
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!10 = !{!11, !12, !13}
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!11 = !{i32 10000, i64 100, i32 1}
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!12 = !{i32 999000, i64 100, i32 1}
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!13 = !{i32 999999, i64 1, i32 2}
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!14 = !{!"function_entry_count", i64 100}
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!15 = !{!"function_section_prefix", !".hot"}
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!16 = !{!"function_entry_count", i64 0}
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!17 = !{!"function_section_prefix", !".unlikely"}
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