1 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -pass-remarks-analysis=asm-printer \ 2 ; RUN: -verify-machineinstrs \ 3 ; RUN: -pass-remarks-with-hotness=1 -asm-verbose=0 \ 4 ; RUN: -debug-only=lazy-machine-block-freq,block-freq \ 5 ; RUN: -debug-pass=Executions 2>&1 | FileCheck %s -check-prefix=HOTNESS 6 7 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -pass-remarks-analysis=asm-printer \ 8 ; RUN: -verify-machineinstrs \ 9 ; RUN: -pass-remarks-with-hotness=0 -asm-verbose=0 \ 10 ; RUN: -debug-only=lazy-machine-block-freq,block-freq \ 11 ; RUN: -debug-pass=Executions 2>&1 | FileCheck %s -check-prefix=NO_HOTNESS 12 13 ; REQUIRES: asserts 14 15 16 ; Verify that we don't new populate MachineBFI for passes that already use 17 ; MBFI, e.g. GreedyRegAlloc. (This hard-codes the previous pass to the 18 ; GreedyRegAlloc, please adjust accordingly.) 19 20 ; HOTNESS: Executing Pass 'Spill Code Placement Analysis' 21 ; HOTNESS-NEXT: Executing Pass 'Lazy Machine Block Frequency Analysis' 22 ; HOTNESS-NEXT: Executing Pass 'Machine Optimization Remark Emitter' 23 ; HOTNESS-NEXT: MachineBlockFrequencyInfo is available 24 ; HOTNESS-NEXT: Executing Pass 'Greedy Register Allocator' 25 26 27 ; Verify that we only populate MachineBFI on behalf of ORE when hotness is 28 ; requested. (This hard-codes the previous pass to the Assembly Printer, 29 ; please adjust accordingly.) 30 31 ; HOTNESS: Freeing Pass 'Machine Outliner' 32 ; HOTNESS-NEXT: Executing Pass 'Function Pass Manager' 33 ; HOTNESS-NEXT: Executing Pass 'Verify generated machine code' 34 ; HOTNESS-NEXT: Freeing Pass 'Verify generated machine code' 35 ; HOTNESS-NEXT: Executing Pass 'Lazy Machine Block Frequency Analysis' 36 ; HOTNESS-NEXT: Executing Pass 'Machine Optimization Remark Emitter' 37 ; HOTNESS-NEXT: Building MachineBlockFrequencyInfo on the fly 38 ; HOTNESS-NEXT: Building LoopInfo on the fly 39 ; HOTNESS-NEXT: Building DominatorTree on the fly 40 ; HOTNESS-NOT: Executing Pass 41 ; HOTNESS: block-frequency: empty_func 42 ; HOTNESS-NOT: Executing Pass 43 ; HOTNESS: Executing Pass 'AArch64 Assembly Printer' 44 45 ; HOTNESS: arm64-summary-remarks.ll:5:0: 1 instructions in function (hotness: 33) 46 47 48 ; NO_HOTNESS: Freeing Pass 'Machine Outliner' 49 ; NO_HOTNESS-NEXT: Executing Pass 'Function Pass Manager' 50 ; NO_HOTNESS-NEXT: Executing Pass 'Verify generated machine code' 51 ; NO_HOTNESS-NEXT: Freeing Pass 'Verify generated machine code' 52 ; NO_HOTNESS-NEXT: Executing Pass 'Lazy Machine Block Frequency Analysis' 53 ; NO_HOTNESS-NEXT: Executing Pass 'Machine Optimization Remark Emitter' 54 ; NO_HOTNESS-NEXT: Executing Pass 'AArch64 Assembly Printer' 55 56 ; NO_HOTNESS: arm64-summary-remarks.ll:5:0: 1 instructions in function{{$}} 57 58 define void @empty_func() nounwind ssp !dbg !3 !prof !4 { 59 ret void 60 } 61 62 !llvm.dbg.cu = !{!0} 63 !llvm.module.flags = !{!2} 64 65 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1) 66 !1 = !DIFile(filename: "arm64-summary-remarks.ll", directory: "") 67 !2 = !{i32 2, !"Debug Info Version", i32 3} 68 !3 = distinct !DISubprogram(name: "empty_func", scope: !1, file: !1, line: 5, scopeLine: 5, unit: !0) 69 !4 = !{!"function_entry_count", i64 33} 70
