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      1 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-missed=regalloc 2>&1 | FileCheck -check-prefix=REMARK %s
      2 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-missed=regalloc -pass-remarks-with-hotness 2>&1 | FileCheck -check-prefix=HOTNESS %s
      3 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple 2>&1 | FileCheck -check-prefix=NO_REMARK %s
      4 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-output=%t.yaml -pass-remarks-with-hotness 2>&1 | FileCheck -check-prefix=NO_REMARK %s
      5 ; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
      6 ;
      7 ; Verify that remarks below the hotness threshold are not output.
      8 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-missed=regalloc \
      9 ; RUN:       -pass-remarks-with-hotness -pass-remarks-hotness-threshold=500 \
     10 ; RUN:       2>&1 | FileCheck -check-prefix=THRESHOLD %s
     11 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-output=%t.threshold.yaml \
     12 ; RUN:       -pass-remarks-with-hotness -pass-remarks-hotness-threshold=500 \
     13 ; RUN:       2>&1 | FileCheck -check-prefix=NO_REMARK %s
     14 ; RUN: cat %t.threshold.yaml | FileCheck -check-prefix=THRESHOLD_YAML %s
     15 
     16 ; This has two nested loops, each with one value that has to be spilled and
     17 ; then reloaded.
     18 
     19 ; (loop3:)
     20 ; REMARK: remark: /tmp/kk.c:3:20: 1 spills 1 reloads generated in loop{{$}}
     21 ; (loop2:)
     22 ; REMARK: remark: /tmp/kk.c:2:20: 1 spills 1 reloads generated in loop{{$}}
     23 ; (loop:)
     24 ; REMARK: remark: /tmp/kk.c:1:20: 2 spills 2 reloads generated in loop{{$}}
     25 
     26 ; (loop3:)
     27 ; HOTNESS: remark: /tmp/kk.c:3:20: 1 spills 1 reloads generated in loop (hotness: 300)
     28 ; (loop2:)
     29 ; HOTNESS: remark: /tmp/kk.c:2:20: 1 spills 1 reloads generated in loop (hotness: 30000)
     30 ; (loop:)
     31 ; HOTNESS: remark: /tmp/kk.c:1:20: 2 spills 2 reloads generated in loop (hotness: 300)
     32 
     33 ; NO_REMARK-NOT: remark
     34 
     35 ; THRESHOLD-NOT: (hotness: 300)
     36 ; THRESHOLD: remark: /tmp/kk.c:2:20: 1 spills 1 reloads generated in loop (hotness: 30000)
     37 
     38 ; YAML: --- !Missed
     39 ; YAML: Pass:            regalloc
     40 ; YAML: Name:            LoopSpillReload
     41 ; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 3, Column: 20 }
     42 ; YAML: Function:        fpr128
     43 ; YAML: Hotness:         300
     44 ; YAML: Args:
     45 ; YAML:   - NumSpills:       '1'
     46 ; YAML:   - String:          ' spills '
     47 ; YAML:   - NumReloads:      '1'
     48 ; YAML:   - String:          ' reloads '
     49 ; YAML:   - String:          generated in loop
     50 ; YAML: ...
     51 ; YAML: --- !Missed
     52 ; YAML: Pass:            regalloc
     53 ; YAML: Name:            LoopSpillReload
     54 ; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 2, Column: 20 }
     55 ; YAML: Function:        fpr128
     56 ; YAML: Hotness:         30000
     57 ; YAML: Args:
     58 ; YAML:   - NumSpills:       '1'
     59 ; YAML:   - String:          ' spills '
     60 ; YAML:   - NumReloads:      '1'
     61 ; YAML:   - String:          ' reloads '
     62 ; YAML:   - String:          generated in loop
     63 ; YAML: ...
     64 ; YAML: --- !Missed
     65 ; YAML: Pass:            regalloc
     66 ; YAML: Name:            LoopSpillReload
     67 ; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 1, Column: 20 }
     68 ; YAML: Function:        fpr128
     69 ; YAML: Hotness:         300
     70 ; YAML: Args:
     71 ; YAML:   - NumSpills:       '2'
     72 ; YAML:   - String:          ' spills '
     73 ; YAML:   - NumReloads:      '2'
     74 ; YAML:   - String:          ' reloads '
     75 ; YAML:   - String:          generated in loop
     76 ; YAML: ...
     77 
     78 ; THRESHOLD_YAML-NOT: Hotness:         300{{$}}
     79 ; THRESHOLD_YAML: --- !Missed
     80 ; THRESHOLD_YAML: Pass:            regalloc
     81 ; THRESHOLD_YAML: Name:            LoopSpillReload
     82 ; THRESHOLD_YAML: DebugLoc:        { File: /tmp/kk.c, Line: 2, Column: 20 }
     83 ; THRESHOLD_YAML: Function:        fpr128
     84 ; THRESHOLD_YAML: Hotness:         30000
     85 ; THRESHOLD_YAML: Args:
     86 ; THRESHOLD_YAML:   - NumSpills:       '1'
     87 ; THRESHOLD_YAML:   - String:          ' spills '
     88 ; THRESHOLD_YAML:   - NumReloads:      '1'
     89 ; THRESHOLD_YAML:   - String:          ' reloads '
     90 ; THRESHOLD_YAML:   - String:          generated in loop
     91 ; THRESHOLD_YAML: ...
     92 
     93 define void @fpr128(<4 x float>* %p) nounwind ssp !prof !11 {
     94 entry:
     95   br label %loop, !dbg !8
     96 
     97 loop:
     98   %i = phi i32 [ 0, %entry], [ %i.2, %end2 ]
     99   br label %loop2, !dbg !9
    100 
    101 loop2:
    102   %j = phi i32 [ 0, %loop], [ %j.2, %loop2 ]
    103   call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
    104   %j.2 = add i32 %j, 1
    105   %c2 = icmp slt i32 %j.2, 100
    106   br i1 %c2, label %loop2, label %end2, !prof !12
    107 
    108 end2:
    109   call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
    110   %i.2 = add i32 %i, 1
    111   %c = icmp slt i32 %i.2, 100
    112   br i1 %c, label %loop, label %end, !prof !12
    113 
    114 end:
    115   br label %loop3
    116 
    117 loop3:
    118   %k = phi i32 [ 0, %end], [ %k.2, %loop3 ]
    119   call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
    120   %k.2 = add i32 %k, 1
    121   %c3 = icmp slt i32 %k.2, 100
    122   br i1 %c3, label %loop3, label %end3, !dbg !10, !prof !12
    123 
    124 end3:
    125   ret void
    126 }
    127 
    128 !llvm.dbg.cu = !{!0}
    129 !llvm.module.flags = !{!3, !4}
    130 !llvm.ident = !{!5}
    131 
    132 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
    133 !1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp")
    134 !2 = !{}
    135 !3 = !{i32 2, !"Debug Info Version", i32 3}
    136 !4 = !{i32 1, !"PIC Level", i32 2}
    137 !5 = !{!"clang version 3.9.0 "}
    138 !6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
    139 !7 = !DISubroutineType(types: !2)
    140 !8 = !DILocation(line: 1, column: 20, scope: !6)
    141 !9 = !DILocation(line: 2, column: 20, scope: !6)
    142 !10 = !DILocation(line: 3, column: 20, scope: !6)
    143 !11 = !{!"function_entry_count", i64 3}
    144 !12 = !{!"branch_weights", i32 99, i32 1}
    145