1; Used the data from recursion-compression.test, refer it for the unmerged output 2; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t1 --compress-recursion=-1 --profile-summary-hot-count=8 --csspgo-preinliner=0 --gen-cs-nested-profile=0 3; RUN: FileCheck %s --input-file %t1 4 5; Test --trim-cold-profile=0 6; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-hot-count=100 --trim-cold-profile=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 7; RUN: FileCheck %s --input-file %t2 --check-prefix=CHECK-KEEP-COLD 8 9; Test --csprof-merge-cold-context=0 10; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t3 --compress-recursion=-1 --profile-summary-hot-count=10 --csprof-merge-cold-context=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 11; RUN: FileCheck %s --input-file %t3 --check-prefix=CHECK-UNMERGED 12 13; Test --csprof-frame-depth-for-cold-context 14; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-hot-count=100 --trim-cold-profile=0 --csprof-max-cold-context-depth=2 --csspgo-preinliner=0 --gen-cs-nested-profile=0 15; RUN: FileCheck %s --input-file %t2 --check-prefix=CHECK-COLD-CONTEXT-LENGTH 16 17; CHECK: [fa]:14:4 18; CHECK-NEXT: 1: 4 19; CHECK-NEXT: 3: 4 20; CHECK-NEXT: 4: 2 21; CHECK-NEXT: 5: 1 22; CHECK-NEXT: 6: 0 23; CHECK-NEXT: 7: 2 fb:2 24; CHECK-NEXT: 8: 1 fa:1 25; CHECK-NEXT: !CFGChecksum: 563070469352221 26; CHECK-NEXT:[main:2 @ foo:5 @ fa:8 @ fa:7 @ fb:5 @ fb]:13:4 27; CHECK-NEXT: 1: 4 28; CHECK-NEXT: 2: 3 29; CHECK-NEXT: 3: 1 30; CHECK-NEXT: 4: 0 31; CHECK-NEXT: 5: 4 fb:4 32; CHECK-NEXT: 6: 1 fa:1 33; CHECK-NEXT: !CFGChecksum: 563022570642068 34 35; CHECK-KEEP-COLD: [fb]:19:6 36; CHECK-KEEP-COLD-NEXT: 1: 6 37; CHECK-KEEP-COLD-NEXT: 2: 3 38; CHECK-KEEP-COLD-NEXT: 3: 3 39; CHECK-KEEP-COLD-NEXT: 4: 0 40; CHECK-KEEP-COLD-NEXT: 5: 4 fb:4 41; CHECK-KEEP-COLD-NEXT: 6: 3 fa:3 42; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 563022570642068 43; CHECK-KEEP-COLD-NEXT:[fa]:14:4 44; CHECK-KEEP-COLD-NEXT: 1: 4 45; CHECK-KEEP-COLD-NEXT: 3: 4 46; CHECK-KEEP-COLD-NEXT: 4: 2 47; CHECK-KEEP-COLD-NEXT: 5: 1 48; CHECK-KEEP-COLD-NEXT: 6: 0 49; CHECK-KEEP-COLD-NEXT: 7: 2 fb:2 50; CHECK-KEEP-COLD-NEXT: 8: 1 fa:1 51; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 563070469352221 52 53; CHECK-UNMERGED: [main:2 @ foo:5 @ fa:8 @ fa:7 @ fb:5 @ fb]:13:4 54; CHECK-UNMERGED-NEXT: 1: 4 55; CHECK-UNMERGED-NEXT: 2: 3 56; CHECK-UNMERGED-NEXT: 3: 1 57; CHECK-UNMERGED-NEXT: 4: 0 58; CHECK-UNMERGED-NEXT: 5: 4 fb:4 59; CHECK-UNMERGED-NEXT: 6: 1 fa:1 60; CHECK-UNMERGED-NEXT: !CFGChecksum: 563022570642068 61; CHECK-UNMERGED-NOT: [fa] 62; CHECK-UNMERGED-NOT: [fb] 63 64; CHECK-COLD-CONTEXT-LENGTH: [fb:5 @ fb]:13:4 65; CHECK-COLD-CONTEXT-LENGTH-NEXT: 1: 4 66; CHECK-COLD-CONTEXT-LENGTH-NEXT: 2: 3 67; CHECK-COLD-CONTEXT-LENGTH-NEXT: 3: 1 68; CHECK-COLD-CONTEXT-LENGTH-NEXT: 4: 0 69; CHECK-COLD-CONTEXT-LENGTH-NEXT: 5: 4 fb:4 70; CHECK-COLD-CONTEXT-LENGTH-NEXT: 6: 1 fa:1 71; CHECK-COLD-CONTEXT-LENGTH-NEXT: !CFGChecksum: 563022570642068 72; CHECK-COLD-CONTEXT-LENGTH-NEXT:[fb:6 @ fa]:10:3 73; CHECK-COLD-CONTEXT-LENGTH-NEXT: 1: 3 74; CHECK-COLD-CONTEXT-LENGTH-NEXT: 3: 3 75; CHECK-COLD-CONTEXT-LENGTH-NEXT: 4: 1 76; CHECK-COLD-CONTEXT-LENGTH-NEXT: 5: 1 77; CHECK-COLD-CONTEXT-LENGTH-NEXT: 6: 0 78; CHECK-COLD-CONTEXT-LENGTH-NEXT: 7: 1 fb:1 79; CHECK-COLD-CONTEXT-LENGTH-NEXT: 8: 1 fa:1 80; CHECK-COLD-CONTEXT-LENGTH-NEXT: !CFGChecksum: 563070469352221 81; CHECK-COLD-CONTEXT-LENGTH-NEXT:[fa:7 @ fb]:6:2 82; CHECK-COLD-CONTEXT-LENGTH-NEXT: 1: 2 83; CHECK-COLD-CONTEXT-LENGTH-NEXT: 2: 0 84; CHECK-COLD-CONTEXT-LENGTH-NEXT: 3: 2 85; CHECK-COLD-CONTEXT-LENGTH-NEXT: 4: 0 86; CHECK-COLD-CONTEXT-LENGTH-NEXT: 5: 0 87; CHECK-COLD-CONTEXT-LENGTH-NEXT: 6: 2 fa:2 88; CHECK-COLD-CONTEXT-LENGTH-NEXT: !CFGChecksum: 563022570642068 89; CHECK-COLD-CONTEXT-LENGTH-NEXT:[fa:8 @ fa]:4:1 90; CHECK-COLD-CONTEXT-LENGTH-NEXT: 1: 1 91; CHECK-COLD-CONTEXT-LENGTH-NEXT: 3: 1 92; CHECK-COLD-CONTEXT-LENGTH-NEXT: 4: 1 93; CHECK-COLD-CONTEXT-LENGTH-NEXT: 5: 0 94; CHECK-COLD-CONTEXT-LENGTH-NEXT: 6: 0 95; CHECK-COLD-CONTEXT-LENGTH-NEXT: 7: 1 fb:1 96; CHECK-COLD-CONTEXT-LENGTH-NEXT: 8: 0 97; CHECK-COLD-CONTEXT-LENGTH-NEXT: !CFGChecksum: 563070469352221 98 99; clang -O3 -fuse-ld=lld -fpseudo-probe-for-profiling 100; -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Xclang -mdisable-tail-calls 101; -g test.c -o a.out 102 103; Copied from recursion-compression.test 104#include <stdio.h> 105 106int fb(int n) { 107 if(n > 10) return fb(n / 2); 108 return fa(n - 1); 109} 110 111int fa(int n) { 112 if(n < 2) return n; 113 if(n % 2) return fb(n - 1); 114 return fa(n - 1); 115} 116 117void foo() { 118 int s, i = 0; 119 while (i++ < 10000) 120 s += fa(i); 121 printf("sum is %d\n", s); 122} 123 124int main() { 125 foo(); 126 return 0; 127} 128