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95d34a2e59
Summary: The current integer representation of relative block frequency prevents representing relative block frequencies below 1. This change uses a 8 of the 29 bits to represent the decimal part by using a fixed scale of -8. Reviewers: tejohnson, davidxl Subscribers: mehdi_amini, inglorion, llvm-commits Differential Revision: https://reviews.llvm.org/D43520 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@325823 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; Test to check the callgraph in summary
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; RUN: opt -write-relbf-to-summary -module-summary %s -o %t.o
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; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
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; CHECK: <SOURCE_FILENAME
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; CHECK-NEXT: <GLOBALVAR
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; CHECK-NEXT: <FUNCTION
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; "func"
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; CHECK-NEXT: <FUNCTION op0=17 op1=4
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; CHECK: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK-NEXT: <VERSION
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; See if the call to func is registered.
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; CHECK-NEXT: <PERMODULE_RELBF {{.*}} op4=1 {{.*}} op7=256
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; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; CHECK: <STRTAB_BLOCK
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; CHECK-NEXT: blob data = 'undefinedglobmainfunc{{.*}}'
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; ModuleID = 'thinlto-function-summary-callgraph.ll'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: nounwind uwtable
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define i32 @main() #0 {
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entry:
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call void (...) @func()
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%u = load i32, i32* @undefinedglob
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ret i32 %u
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}
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declare void @func(...) #1
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@undefinedglob = external global i32
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; OLD: Index {{.*}} contains 1 nodes (1 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
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