1ac14bb14Swlei; Firstly test uncompression(--compress-recursion=0) 2*bc380c09SHongtao Yu; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-noprobe.perfscript --binary=%S/Inputs/recursion-compression-noprobe.perfbin --output=%t --compress-recursion=0 --profile-summary-hot-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 3ac14bb14Swlei; RUN: FileCheck %s --input-file %t -check-prefix=CHECK-UNCOMPRESS 4*bc380c09SHongtao Yu; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-noprobe.perfscript --binary=%S/Inputs/recursion-compression-noprobe.perfbin --output=%t --profile-summary-hot-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 5ac14bb14Swlei; RUN: FileCheck %s --input-file %t 6*bc380c09SHongtao Yu; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-noprobe.perfscript --binary=%S/Inputs/recursion-compression-noprobe.perfbin --output=%t --compress-recursion=0 --profile-summary-hot-count=0 --csprof-max-context-depth=2 --csspgo-preinliner=0 --gen-cs-nested-profile=0 7856a6a50Swlei; RUN: FileCheck %s --input-file %t -check-prefix=CHECK-MAX-CTX-DEPTH 8ac14bb14Swlei 9484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo:3 @ fa:2 @ fb]:48:0 10f5537643Swlei; CHECK-UNCOMPRESS: 1: 11 11f5537643Swlei; CHECK-UNCOMPRESS: 2: 1 fa:1 12484a569eSwlei; CHECK-UNCOMPRESS: 65532: 11 13484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo:3 @ fa]:24:0 14484a569eSwlei; CHECK-UNCOMPRESS: 1: 1 15484a569eSwlei; CHECK-UNCOMPRESS: 2: 13 fb:11 16484a569eSwlei; CHECK-UNCOMPRESS: 65527: 1 17484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo]:7:0 1800ef28efSWenlei He; CHECK-UNCOMPRESS: 2: 1 1900ef28efSWenlei He; CHECK-UNCOMPRESS: 3: 2 fa:1 20484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo:3 @ fa:2 @ fb:2 @ fa]:7:0 21b9db7036SHongtao Yu; CHECK-UNCOMPRESS: 1: 1 22484a569eSwlei; CHECK-UNCOMPRESS: 2: 2 fb:1 23484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo:3 @ fa:2 @ fb:2 @ fa:2 @ fb]:2:0 24484a569eSwlei; CHECK-UNCOMPRESS: 2: 1 fa:1 25484a569eSwlei; CHECK-UNCOMPRESS: 65532: 1 26484a569eSwlei; CHECK-UNCOMPRESS:[main:1 @ foo:3 @ fa:2 @ fb:2 @ fa:2 @ fb:2 @ fa]:2:0 27b9db7036SHongtao Yu; CHECK-UNCOMPRESS: 4: 1 28c3aeabaeSwlei 29484a569eSwlei; CHECK-MAX-CTX-DEPTH: [foo:3 @ fa:2 @ fb]:47:0 30856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 1: 11 31484a569eSwlei; CHECK-MAX-CTX-DEPTH: 65532: 11 32484a569eSwlei; CHECK-MAX-CTX-DEPTH: [main:1 @ foo:3 @ fa]:13:0 33484a569eSwlei; CHECK-MAX-CTX-DEPTH: 1: 1 34484a569eSwlei; CHECK-MAX-CTX-DEPTH: 2: 2 35484a569eSwlei; CHECK-MAX-CTX-DEPTH: 65527: 1 36484a569eSwlei; CHECK-MAX-CTX-DEPTH: [fa:2 @ fb:2 @ fa]:8:0 37856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 1: 1 38856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 2: 1 39856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 4: 1 40484a569eSwlei; CHECK-MAX-CTX-DEPTH: [main:1 @ foo]:7:0 41856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 2: 1 42856a6a50Swlei; CHECK-MAX-CTX-DEPTH: 3: 2 fa:1 43484a569eSwlei; CHECK-MAX-CTX-DEPTH: [fb:2 @ fa:2 @ fb]:1:0 44484a569eSwlei; CHECK-MAX-CTX-DEPTH: 65532: 1 45856a6a50Swlei 46ac14bb14Swlei 47484a569eSwlei;CHECK: [main:1 @ foo:3 @ fa:2 @ fb]:48:0 48f5537643Swlei;CHECK: 1: 11 49f5537643Swlei;CHECK: 2: 1 fa:1 50484a569eSwlei;CHECK: 65532: 11 51484a569eSwlei;CHECK: [main:1 @ foo:3 @ fa]:24:0 52484a569eSwlei;CHECK: 1: 1 53484a569eSwlei;CHECK: 2: 13 fb:11 54484a569eSwlei;CHECK: 65527: 1 55484a569eSwlei;CHECK: [main:1 @ foo:3 @ fa:2 @ fb:2 @ fa]:9:0 56484a569eSwlei;CHECK: 1: 1 57484a569eSwlei;CHECK: 2: 2 fb:1 58484a569eSwlei;CHECK: 4: 1 59484a569eSwlei;CHECK: [main:1 @ foo]:7:0 60f5537643Swlei;CHECK: 2: 1 61f5537643Swlei;CHECK: 3: 2 fa:1 62484a569eSwlei;CHECK: [main:1 @ foo:3 @ fa:2 @ fb:2 @ fa:2 @ fb]:1:0 63484a569eSwlei;CHECK: 65532: 1 64ac14bb14Swlei 65ac14bb14Swlei; original code: 66ac14bb14Swlei; clang -O3 -g test.c -o a.out 67ac14bb14Swlei#include <stdio.h> 68ac14bb14Swlei 69ac14bb14Swleiint fb(int n) { 70ac14bb14Swlei if(n > 10) return fb(n / 2); 71ac14bb14Swlei return fa(n - 1); 72ac14bb14Swlei} 73ac14bb14Swlei 74ac14bb14Swleiint fa(int n) { 75ac14bb14Swlei if(n < 2) return n; 76ac14bb14Swlei if(n % 2) return fb(n - 1); 77ac14bb14Swlei return fa(n - 1); 78ac14bb14Swlei} 79ac14bb14Swlei 80ac14bb14Swleivoid foo() { 81ac14bb14Swlei int s, i = 0; 82ac14bb14Swlei while (i++ < 10000) 83ac14bb14Swlei s += fa(i); 84ac14bb14Swlei printf("sum is %d\n", s); 85ac14bb14Swlei} 86ac14bb14Swlei 87ac14bb14Swleiint main() { 88ac14bb14Swlei foo(); 89ac14bb14Swlei return 0; 90ac14bb14Swlei} 91