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 1.000000e+02 total spills cost 1 reloads 1.000000e+02 total reloads cost generated in loop{{$}} 21; (loop2:) 22; REMARK: remark: /tmp/kk.c:2:20: 1 spills 1.000000e+04 total spills cost 1 reloads 1.000000e+04 total reloads cost generated in loop{{$}} 23; (loop:) 24; REMARK: remark: /tmp/kk.c:1:20: 2 spills 1.010000e+04 total spills cost 2 reloads 1.010000e+04 total reloads cost generated in loop{{$}} 25; (func:) 26; REMARK: remark: /tmp/kk.c:1:1: 3 spills 1.020000e+04 total spills cost 3 reloads 1.020000e+04 total reloads cost generated in function 27 28; (loop3:) 29; HOTNESS: remark: /tmp/kk.c:3:20: 1 spills 1.000000e+02 total spills cost 1 reloads 1.000000e+02 total reloads cost generated in loop (hotness: 300) 30; (loop2:) 31; HOTNESS: remark: /tmp/kk.c:2:20: 1 spills 1.000000e+04 total spills cost 1 reloads 1.000000e+04 total reloads cost generated in loop (hotness: 30000) 32; (loop:) 33; HOTNESS: remark: /tmp/kk.c:1:20: 2 spills 1.010000e+04 total spills cost 2 reloads 1.010000e+04 total reloads cost generated in loop (hotness: 300) 34 35; NO_REMARK-NOT: remark 36 37; THRESHOLD-NOT: (hotness: 300) 38; THRESHOLD: remark: /tmp/kk.c:2:20: 1 spills 1.000000e+04 total spills cost 1 reloads 1.000000e+04 total reloads cost generated in loop (hotness: 30000) 39 40; YAML: --- !Missed 41; YAML: Pass: regalloc 42; YAML: Name: LoopSpillReloadCopies 43; YAML: DebugLoc: { File: '/tmp/kk.c', Line: 3, Column: 20 } 44; YAML: Function: fpr128 45; YAML: Hotness: 300 46; YAML: Args: 47; YAML: - NumSpills: '1' 48; YAML: - String: ' spills ' 49; YAML: - TotalSpillsCost: '1.000000e+02' 50; YAML: - String: ' total spills cost ' 51; YAML: - NumReloads: '1' 52; YAML: - String: ' reloads ' 53; YAML: - TotalReloadsCost: '1.000000e+02' 54; YAML: - String: ' total reloads cost ' 55; YAML: - String: generated in loop 56; YAML: ... 57; YAML: --- !Missed 58; YAML: Pass: regalloc 59; YAML: Name: LoopSpillReloadCopies 60; YAML: DebugLoc: { File: '/tmp/kk.c', Line: 2, Column: 20 } 61; YAML: Function: fpr128 62; YAML: Hotness: 30000 63; YAML: Args: 64; YAML: - NumSpills: '1' 65; YAML: - String: ' spills ' 66; YAML: - TotalSpillsCost: '1.000000e+04' 67; YAML: - String: ' total spills cost ' 68; YAML: - NumReloads: '1' 69; YAML: - String: ' reloads ' 70; YAML: - TotalReloadsCost: '1.000000e+04' 71; YAML: - String: ' total reloads cost ' 72; YAML: - String: generated in loop 73; YAML: ... 74; YAML: --- !Missed 75; YAML: Pass: regalloc 76; YAML: Name: LoopSpillReloadCopies 77; YAML: DebugLoc: { File: '/tmp/kk.c', Line: 1, Column: 20 } 78; YAML: Function: fpr128 79; YAML: Hotness: 300 80; YAML: Args: 81; YAML: - NumSpills: '2' 82; YAML: - String: ' spills ' 83; YAML: - TotalSpillsCost: '1.010000e+04' 84; YAML: - String: ' total spills cost ' 85; YAML: - NumReloads: '2' 86; YAML: - String: ' reloads ' 87; YAML: - TotalReloadsCost: '1.010000e+04' 88; YAML: - String: ' total reloads cost ' 89; YAML: - String: generated in loop 90; YAML: ... 91; YAML: --- !Missed 92; YAML: Pass: regalloc 93; YAML: Name: SpillReloadCopies 94; YAML: DebugLoc: { File: '/tmp/kk.c', Line: 1, Column: 1 } 95; YAML: Function: fpr128 96; YAML: Hotness: 3 97; YAML: Args: 98; YAML: - NumSpills: '3' 99; YAML: - String: ' spills ' 100; YAML: - TotalSpillsCost: '1.020000e+04' 101; YAML: - String: ' total spills cost ' 102; YAML: - NumReloads: '3' 103; YAML: - String: ' reloads ' 104; YAML: - TotalReloadsCost: '1.020000e+04' 105; YAML: - String: ' total reloads cost ' 106; YAML: - String: generated in function 107; YAML: ... 108 109; THRESHOLD_YAML-NOT: Hotness: 300{{$}} 110; THRESHOLD_YAML: --- !Missed 111; THRESHOLD_YAML: Pass: regalloc 112; THRESHOLD_YAML: Name: LoopSpillReloadCopies 113; THRESHOLD_YAML: DebugLoc: { File: '/tmp/kk.c', Line: 2, Column: 20 } 114; THRESHOLD_YAML: Function: fpr128 115; THRESHOLD_YAML: Hotness: 30000 116; THRESHOLD_YAML: Args: 117; THRESHOLD_YAML: - NumSpills: '1' 118; THRESHOLD_YAML: - String: ' spills ' 119; THRESHOLD_YAML: - TotalSpillsCost: '1.000000e+04' 120; THRESHOLD_YAML: - String: ' total spills cost ' 121; THRESHOLD_YAML: - NumReloads: '1' 122; THRESHOLD_YAML: - String: ' reloads ' 123; THRESHOLD_YAML: - TotalReloadsCost: '1.000000e+04' 124; THRESHOLD_YAML: - String: ' total reloads cost ' 125; THRESHOLD_YAML: - String: generated in loop 126; THRESHOLD_YAML: ... 127 128define void @fpr128(<4 x float>* %p) nounwind ssp !prof !11 !dbg !6 { 129entry: 130 br label %loop, !dbg !8 131 132loop: 133 %i = phi i32 [ 0, %entry], [ %i.2, %end2 ] 134 br label %loop2, !dbg !9 135 136loop2: 137 %j = phi i32 [ 0, %loop], [ %j.2, %loop2 ] 138 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 139 %j.2 = add i32 %j, 1 140 %c2 = icmp slt i32 %j.2, 100 141 br i1 %c2, label %loop2, label %end2, !prof !12 142 143end2: 144 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 145 %i.2 = add i32 %i, 1 146 %c = icmp slt i32 %i.2, 100 147 br i1 %c, label %loop, label %end, !prof !12 148 149end: 150 br label %loop3 151 152loop3: 153 %k = phi i32 [ 0, %end], [ %k.2, %loop3 ] 154 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 155 %k.2 = add i32 %k, 1 156 %c3 = icmp slt i32 %k.2, 100 157 br i1 %c3, label %loop3, label %end3, !dbg !10, !prof !12 158 159end3: 160 ret void 161} 162 163!llvm.dbg.cu = !{!0} 164!llvm.module.flags = !{!3, !4} 165!llvm.ident = !{!5} 166 167!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) 168!1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp") 169!2 = !{} 170!3 = !{i32 2, !"Debug Info Version", i32 3} 171!4 = !{i32 1, !"PIC Level", i32 2} 172!5 = !{!"clang version 3.9.0 "} 173!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) 174!7 = !DISubroutineType(types: !2) 175!8 = !DILocation(line: 1, column: 20, scope: !6) 176!9 = !DILocation(line: 2, column: 20, scope: !6) 177!10 = !DILocation(line: 3, column: 20, scope: !6) 178!11 = !{!"function_entry_count", i64 3} 179!12 = !{!"branch_weights", i32 99, i32 1} 180