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llvm-for-llvmta/test/Transforms/SampleProfile/pseudo-probe-profile.ll

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; RUN: opt < %s -passes=pseudo-probe,sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-profile.prof -pass-remarks=sample-profile -pass-remarks-output=%t.opt.yaml -S | FileCheck %s
; RUN: FileCheck %s -check-prefix=YAML < %t.opt.yaml
define dso_local i32 @foo(i32 %x, void (i32)* %f) #0 !dbg !4 {
entry:
%retval = alloca i32, align 4
%x.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
%0 = load i32, i32* %x.addr, align 4
%cmp = icmp eq i32 %0, 0
; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 1, i32 0, i64 -1)
br i1 %cmp, label %if.then, label %if.else
; CHECK: br i1 %cmp, label %if.then, label %if.else, !prof ![[PD1:[0-9]+]]
if.then:
; CHECK: call {{.*}}, !dbg ![[#PROBE1:]], !prof ![[PROF1:[0-9]+]]
call void %f(i32 1)
; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 2, i32 0, i64 -1)
store i32 1, i32* %retval, align 4
br label %return
if.else:
; CHECK: call {{.*}}, !dbg ![[#PROBE2:]], !prof ![[PROF2:[0-9]+]]
call void %f(i32 2)
; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 3, i32 0, i64 -1)
store i32 2, i32* %retval, align 4
br label %return
return:
; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 4, i32 0, i64 -1)
%1 = load i32, i32* %retval, align 4
ret i32 %1
}
attributes #0 = {"use-sample-profile"}
; CHECK: ![[PD1]] = !{!"branch_weights", i32 8, i32 7}
; CHECK: ![[#PROBE1]] = !DILocation(line: 0, scope: ![[#SCOPE1:]])
;; A discriminator of 119537711 which is 0x720002f in hexdecimal, stands for an indirect call probe
;; with an index of 5.
; CHECK: ![[#SCOPE1]] = !DILexicalBlockFile(scope: ![[#]], file: ![[#]], discriminator: 119537711)
; CHECK: ![[PROF1]] = !{!"VP", i32 0, i64 7, i64 9191153033785521275, i64 5, i64 -1069303473483922844, i64 2}
;; A discriminator of 119537719 which is 0x7200037 in hexdecimal, stands for an indirect call probe
;; with an index of 6.
; CHECK: ![[#PROBE2]] = !DILocation(line: 0, scope: ![[#SCOPE2:]])
; CHECK: ![[#SCOPE2]] = !DILexicalBlockFile(scope: ![[#]], file: ![[#]], discriminator: 119537719)
; CHECK: ![[PROF2]] = !{!"VP", i32 0, i64 6, i64 -1069303473483922844, i64 4, i64 9191153033785521275, i64 2}
!llvm.module.flags = !{!9, !10}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1)
!1 = !DIFile(filename: "test.c", directory: "")
!2 = !{}
!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, unit: !0, retainedNodes: !2)
!5 = !DISubroutineType(types: !6)
!6 = !{!7}
!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!9 = !{i32 2, !"Dwarf Version", i32 4}
!10 = !{i32 2, !"Debug Info Version", i32 3}
; Checking to see if YAML file is generated and contains remarks
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '13'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '1'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '13'
;YAML-NEXT: - String: ')'
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '7'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '5'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '7'
;YAML-NEXT: - String: ')'
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '7'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '2'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '7'
;YAML-NEXT: - String: ')'
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '6'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '6'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '6'
;YAML-NEXT: - String: ')'
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '6'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '3'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '6'
;YAML-NEXT: - String: ')'
;YAML: --- !Analysis
;YAML-NEXT: Pass: sample-profile
;YAML-NEXT: Name: AppliedSamples
;YAML-NEXT: DebugLoc: { File: test.c, Line: 0, Column: 0 }
;YAML-NEXT: Function: foo
;YAML-NEXT: Args:
;YAML-NEXT: - String: 'Applied '
;YAML-NEXT: - NumSamples: '13'
;YAML-NEXT: - String: ' samples from profile (ProbeId='
;YAML-NEXT: - ProbeId: '4'
;YAML-NEXT: - String: ', Factor='
;YAML-NEXT: - Factor: '1.000000e+00'
;YAML-NEXT: - String: ', OriginalSamples='
;YAML-NEXT: - OriginalSamples: '13'
;YAML-NEXT: - String: ')'
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