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llvm-mirror/test/CodeGen/AArch64/machine-outliner-remarks.ll
Andrew Litteken c5eb58bb14 fix to outline cfi instruction when can be grouped in a tail call
[MachineOutliner] fix test for excluding CFI and add test to include CFI in outlining

New test to check that we only outline CFI instruction if all CFI
Instructions in the function would be captured by the outlining

adding x86 tests analagous to AARCH64 cfi tests

Revision: https://reviews.llvm.org/D77852
2020-04-17 22:26:34 -07:00

131 lines
5.4 KiB
LLVM

; RUN: llc %s -enable-machine-outliner -mtriple=aarch64-unknown-unknown -pass-remarks=machine-outliner -pass-remarks-missed=machine-outliner -o /dev/null 2>&1 | FileCheck %s
; CHECK: <unknown>:0:0:
; CHECK-SAME: Did not outline 2 instructions from 2 locations.
; CHECK-SAME: Bytes from outlining all occurrences (16) >=
; CHECK-SAME: Unoutlined instruction bytes (16)
; CHECK-SAME: (Also found at: <UNKNOWN LOCATION>)
; CHECK: remark: <unknown>:0:0: Saved 40 bytes by outlining 13 instructions
; CHECK-SAME: from 2 locations. (Found at: <UNKNOWN LOCATION>,
; CHECK-SAME: <UNKNOWN LOCATION>)
; RUN: llc %s -enable-machine-outliner -mtriple=aarch64-unknown-unknown -o /dev/null -pass-remarks-missed=machine-outliner -pass-remarks-output=%t.yaml
; RUN: cat %t.yaml | FileCheck %s -check-prefix=YAML
; For the YAML case, the function we pick depends on the order of the candidate
; list.
; YAML: --- !Missed
; YAML-NEXT: Pass: machine-outliner
; YAML-NEXT: Name: NotOutliningCheaper
; YAML-NEXT: Function:
; YAML-NEXT: Args:
; YAML-NEXT: - String: 'Did not outline '
; YAML-NEXT: - Length: '2'
; YAML-NEXT: - String: ' instructions'
; YAML-NEXT: - String: ' from '
; YAML-NEXT: - NumOccurrences: '2'
; YAML-NEXT: - String: ' locations.'
; YAML-NEXT: - String: ' Bytes from outlining all occurrences ('
; YAML-NEXT: - OutliningCost: '16'
; YAML-NEXT: - String: ')'
; YAML-NEXT: - String: ' >= Unoutlined instruction bytes ('
; YAML-NEXT: - NotOutliningCost: '16'
; YAML-NEXT: - String: ')'
; YAML-NEXT: - String: ' (Also found at: '
; YAML-NEXT: - OtherStartLoc1: '<UNKNOWN LOCATION>'
; YAML-NEXT: - String: ')'
; YAML: --- !Passed
; YAML-NEXT: Pass: machine-outliner
; YAML-NEXT: Name: OutlinedFunction
; YAML-NEXT: Function: OUTLINED_FUNCTION_0
; YAML-NEXT: Args:
; YAML-NEXT: - String: 'Saved '
; YAML-NEXT: - OutliningBenefit: '40'
; YAML-NEXT: - String: ' bytes by '
; YAML-NEXT: - String: 'outlining '
; YAML-NEXT: - Length: '13'
; YAML-NEXT: - String: ' instructions '
; YAML-NEXT: - String: 'from '
; YAML-NEXT: - NumOccurrences: '2'
; YAML-NEXT: - String: ' locations. '
; YAML-NEXT: - String: '(Found at: '
; YAML-NEXT: - StartLoc0: '<UNKNOWN LOCATION>'
; YAML-NEXT: - String: ', '
; YAML-NEXT: - StartLoc1: '<UNKNOWN LOCATION>'
; YAML-NEXT: - String: ')'
define void @dog() #0 !dbg !8 {
entry:
%x = alloca i32, align 4
%y = alloca i32, align 4
store i32 0, i32* %x, align 4
store i32 1, i32* %y, align 4, !dbg !12
ret void
}
define void @cat() #0 !dbg !14 {
entry:
%x = alloca i32, align 4
%y = alloca i32, align 4
store i32 0, i32* %x, align 4
store i32 1, i32* %y, align 4, !dbg !16
ret void
}
define void @foo() #0 !dbg !18 {
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, i32* %1, align 4, !dbg !24
store i32 2, i32* %2, align 4
store i32 3, i32* %3, align 4
store i32 4, i32* %4, align 4
store i32 5, i32* %5, align 4
store i32 6, i32* %6, align 4, !dbg !26
ret void
}
define void @bar() #0 !dbg !27 {
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, i32* %1, align 4, !dbg !33
store i32 2, i32* %2, align 4
store i32 3, i32* %3, align 4
store i32 4, i32* %4, align 4
store i32 5, i32* %5, align 4
store i32 6, i32* %6, align 4, !dbg !35
ret void
}
attributes #0 = { noredzone nounwind ssp uwtable "frame-pointer"="none" "target-cpu"="cyclone" }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "machine-outliner-remarks.ll", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{i32 7, !"PIC Level", i32 2}
!7 = !{!""}
!8 = distinct !DISubprogram(name: "dog", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!9 = !DISubroutineType(types: !10)
!10 = !{null}
!12 = !DILocation(line: 5, column: 9, scope: !8)
!14 = distinct !DISubprogram(name: "cat", scope: !1, file: !1, line: 10, type: !9, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!16 = !DILocation(line: 13, column: 9, scope: !14)
!18 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 26, type: !9, isLocal: false, isDefinition: true, scopeLine: 26, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!24 = !DILocation(line: 27, column: 9, scope: !18)
!26 = !DILocation(line: 29, column: 9, scope: !18)
!27 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 35, type: !9, isLocal: false, isDefinition: true, scopeLine: 35, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!33 = !DILocation(line: 36, column: 1, scope: !27)
!35 = !DILocation(line: 38, column: 1, scope: !27)