123 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; Test to check the callgraph in summary when there is PGO
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| ; RUN: opt -module-summary %s -o %t.o
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| ; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
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| ; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-sample-profile-summary.ll -o %t2.o
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| ; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
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| ; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
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| 
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| 
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| ; CHECK: <SOURCE_FILENAME
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| ; "hot_function"
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| ; CHECK-NEXT: <FUNCTION op0=0 op1=12
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| ; "hot1"
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| ; CHECK-NEXT: <FUNCTION op0=12 op1=4
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| ; "hot2"
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| ; CHECK-NEXT: <FUNCTION op0=16 op1=4
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| ; "hot3"
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| ; CHECK-NEXT: <FUNCTION op0=20 op1=4
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| ; "hot4"
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| ; CHECK-NEXT: <FUNCTION op0=24 op1=5
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| ; "cold"
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| ; CHECK-NEXT: <FUNCTION op0=29 op1=5
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| ; "none1"
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| ; CHECK-NEXT: <FUNCTION op0=34 op1=5
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| ; "none2"
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| ; CHECK-NEXT: <FUNCTION op0=39 op1=5
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| ; "none3"
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| ; CHECK-NEXT: <FUNCTION op0=44 op1=5
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| ; CHECK-NEXT: <FUNCTION op0=49 op1=5
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| 
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| ; CHECK-LABEL:       <GLOBALVAL_SUMMARY_BLOCK
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| ; CHECK-NEXT:    <VERSION
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| ; CHECK-NEXT:    <FLAGS
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| ; CHECK-NEXT:    <VALUE_GUID op0=26 op1=123/>
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| ; op4=none1 op6=hot1 op8=cold1 op10=none2 op12=hot2 op14=cold2 op16=none3 op18=hot3 op20=cold3 op22=123
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| ; CHECK-NEXT:    <PERMODULE_PROFILE {{.*}} op6=7 op7=0 op8=1 op9=3 op10=4 op11=1 op12=8 op13=0 op14=2 op15=3 op16=5 op17=1 op18=9 op19=0 op20=3 op21=3 op22=6 op23=1 op24=26 op25=4/>
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| ; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
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| 
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| ; CHECK: <STRTAB_BLOCK
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| ; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}'
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| 
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| ; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
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| ; COMBINED-NEXT:    <VERSION
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| ; COMBINED-NEXT:    <FLAGS
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <VALUE_GUID
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED abbrevid=
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| ; COMBINED-NEXT:    <COMBINED_PROFILE {{.*}} op8=[[NONE1:.*]] op9=0 op10=[[HOT1:.*]] op11=3 op12=[[COLD1:.*]] op13=1 op14=[[NONE2:.*]] op15=0 op16=[[HOT2:.*]] op17=3 op18=[[COLD2:.*]] op19=1 op20=[[NONE3:.*]] op21=0 op22=[[HOT3:.*]] op23=3 op24=[[COLD3:.*]] op25=1/>
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| ; COMBINED_NEXT:    <COMBINED abbrevid=
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| ; COMBINED_NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
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| 
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| 
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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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| 
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| ; This function have high profile count, so entry block is hot.
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| define void @hot_function(i1 %a, i1 %a2) !prof !20 {
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| entry:
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|   call void @none1()
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|   call void @hot1(), !prof !15
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|   call void @cold1(), !prof !16
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|   br i1 %a, label %Cold, label %Hot, !prof !41
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| Cold:           ; 1/1000 goes here
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|   call void @none2()
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|   call void @hot2(), !prof !15
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|   call void @cold2(), !prof !16
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|   br label %exit
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| Hot:            ; 999/1000 goes here
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|   call void @none3()
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|   call void @hot3(), !prof !15
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|   call void @cold3(), !prof !16
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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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| 
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| declare void @hot1() #1
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| declare void @hot2() #1
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| declare void @hot3() #1
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| declare void @cold1() #1
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| declare void @cold2() #1
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| declare void @cold3() #1
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| declare void @none1() #1
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| declare void @none2() #1
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| declare void @none3() #1
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| 
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| !41 = !{!"branch_weights", i32 1, i32 1000}
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| 
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| !llvm.module.flags = !{!1}
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| !20 = !{!"function_entry_count", i64 110, i64 123}
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| 
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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", !"SampleProfile"}
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| !4 = !{!"TotalCount", i64 10000}
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| !5 = !{!"MaxCount", i64 10}
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| !6 = !{!"MaxInternalCount", i64 1}
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| !7 = !{!"MaxFunctionCount", i64 1000}
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| !8 = !{!"NumCounts", i64 3}
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| !9 = !{!"NumFunctions", i64 3}
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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 2}
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| !15 = !{!"branch_weights", i32 100}
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| !16 = !{!"branch_weights", i32 1}
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