2019-04-17 12:52:47 +08:00
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; Test to check thin link importing stats
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; -stats requires asserts
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; REQUIRES: asserts
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; REQUIRES: x86-registered-target
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: opt -module-summary %p/Inputs/import_stats.ll -o %t2.bc
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; Test thin link stats with both new and old LTO
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; RUN: llvm-lto -thinlto-action=run -stats %t.bc %t2.bc \
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; RUN: 2>&1 | FileCheck %s --check-prefix=THINLINKSTATS
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; RUN: llvm-lto2 run -stats -o %t3 %t.bc %t2.bc \
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; RUN: -r %t.bc,hot_function,plx \
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; RUN: -r %t.bc,hot, \
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; RUN: -r %t.bc,critical, \
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; RUN: -r %t.bc,none, \
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; RUN: -r %t2.bc,hot,plx \
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; RUN: -r %t2.bc,critical,plx \
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; RUN: -r %t2.bc,none,plx \
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; RUN: -r %t2.bc,globalvar,plx \
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; RUN: 2>&1 | FileCheck %s --check-prefix=THINLINKSTATS
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; THINLINKSTATS-DAG: 1 function-import - Number of global variables thin link decided to import
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; THINLINKSTATS-DAG: 1 function-import - Number of critical functions thin link decided to import
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; THINLINKSTATS-DAG: 3 function-import - Number of functions thin link decided to import
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; THINLINKSTATS-DAG: 1 function-import - Number of hot functions thin link decided to import
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; ModuleID = 'import_stats.ll'
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2019-08-28 09:08:54 +08:00
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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2019-04-17 12:52:47 +08:00
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target triple = "x86_64-unknown-linux-gnu"
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; This function has a high profile count, so entry block is hot.
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define void @hot_function(i1 %a) !prof !20 {
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entry:
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call void @hot()
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call void @critical()
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br i1 %a, label %None1, label %None2, !prof !42
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None1: ; half goes here
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call void @none()
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br label %exit
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None2: ; half goes here
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br label %exit
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exit:
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ret void
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}
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declare void @hot()
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declare void @none()
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declare void @critical()
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!42 = !{!"branch_weights", i32 1, i32 1}
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!llvm.module.flags = !{!1}
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!20 = !{!"function_entry_count", i64 100, i64 696010031887058302}
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!1 = !{i32 1, !"ProfileSummary", !2}
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!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
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!3 = !{!"ProfileFormat", !"InstrProf"}
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!4 = !{!"TotalCount", i64 300}
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!5 = !{!"MaxCount", i64 100}
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!6 = !{!"MaxInternalCount", i64 100}
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!7 = !{!"MaxFunctionCount", i64 100}
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!8 = !{!"NumCounts", i64 4}
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!9 = !{!"NumFunctions", i64 1}
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!10 = !{!"DetailedSummary", !11}
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!11 = !{!12, !13, !14}
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!12 = !{i32 10000, i64 100, i32 1}
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!13 = !{i32 999000, i64 100, i32 1}
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!14 = !{i32 999999, i64 1, i32 4}
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