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71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
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; Used the data from recursion-compression.test, refer it for the unmerged output
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; RUN: llvm-profgen --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --compress-recursion=-1 --csprof-cold-thres=8
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; RUN: FileCheck %s --input-file %t
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; Test --csprof-keep-cold
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; RUN: llvm-profgen --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --compress-recursion=-1 --csprof-cold-thres=100 --csprof-keep-cold
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; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-KEEP-COLD
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; CHECK: [fa]:14:4
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; CHECK-NEXT: 1: 4
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; CHECK-NEXT: 3: 4
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; CHECK-NEXT: 4: 2
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; CHECK-NEXT: 5: 1
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; CHECK-NEXT: 7: 2 fb:2
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; CHECK-NEXT: 8: 1 fa:1
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; CHECK-NEXT: !CFGChecksum: 120515930909
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; CHECK-NEXT:[main:2 @ foo:5 @ fa:8 @ fa:7 @ fb:5 @ fb]:13:4
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; CHECK-NEXT: 1: 4
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; CHECK-NEXT: 2: 3
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; CHECK-NEXT: 3: 1
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; CHECK-NEXT: 5: 4 fb:4
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; CHECK-NEXT: 6: 1 fa:1
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; CHECK-NEXT: !CFGChecksum: 72617220756
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; CHECK-KEEP-COLD: [fb]:19:6
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; CHECK-KEEP-COLD-NEXT: 1: 6
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; CHECK-KEEP-COLD-NEXT: 2: 3
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; CHECK-KEEP-COLD-NEXT: 3: 3
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; CHECK-KEEP-COLD-NEXT: 5: 4 fb:4
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; CHECK-KEEP-COLD-NEXT: 6: 3 fa:3
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; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 72617220756
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; CHECK-KEEP-COLD-NEXT:[fa]:14:4
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; CHECK-KEEP-COLD-NEXT: 1: 4
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; CHECK-KEEP-COLD-NEXT: 3: 4
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; CHECK-KEEP-COLD-NEXT: 4: 2
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; CHECK-KEEP-COLD-NEXT: 5: 1
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; CHECK-KEEP-COLD-NEXT: 7: 2 fb:2
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; CHECK-KEEP-COLD-NEXT: 8: 1 fa:1
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; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 120515930909
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; clang -O3 -fexperimental-new-pass-manager -fuse-ld=lld -fpseudo-probe-for-profiling
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; -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Xclang -mdisable-tail-calls
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; -g test.c -o a.out
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; Copied from recursion-compression.test
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#include <stdio.h>
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int fb(int n) {
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if(n > 10) return fb(n / 2);
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return fa(n - 1);
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}
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int fa(int n) {
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if(n < 2) return n;
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if(n % 2) return fb(n - 1);
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return fa(n - 1);
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}
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void foo() {
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int s, i = 0;
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while (i++ < 10000)
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s += fa(i);
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printf("sum is %d\n", s);
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}
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int main() {
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foo();
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return 0;
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}
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