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1; Test unique linkage name decoding and canonicalization from dwarf debug info2; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/unique-linkage-name-dwarf.perfscript --binary=%S/Inputs/unique-linkage-name-dwarf.perfbin --output=%t --profile-summary-cold-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=03; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-DWARF-FNAME4 5; CHECK-DWARF-FNAME:[main:1 @ foo]:309:06; CHECK-DWARF-FNAME: 2: 147; CHECK-DWARF-FNAME: 3: 29 bar.__uniq.26267048767521081047744692097241227776:148; CHECK-DWARF-FNAME:[main:1 @ foo:3 @ bar.__uniq.26267048767521081047744692097241227776]:84:09; CHECK-DWARF-FNAME: 1: 1410 11 12; Test unique linkage name decoding and canonicalization from pseudo probe info13; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/unique-linkage-name-probe.perfscript --binary=%S/Inputs/unique-linkage-name-probe.perfbin --output=%t --profile-summary-cold-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=014; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-PROBE-FNAME15 16; CHECK-PROBE-FNAME:[main:2 @ foo]:75:017; CHECK-PROBE-FNAME: 2: 1518; CHECK-PROBE-FNAME: 3: 1519; CHECK-PROBE-FNAME: 4: 1520; CHECK-PROBE-FNAME: 6: 1521; CHECK-PROBE-FNAME: 8: 15 _ZL3barii.__uniq.276699478366846449772231447066107882794:1522; CHECK-PROBE-FNAME: !CFGChecksum: 56308890401323623; CHECK-PROBE-FNAME:[main:2 @ foo:8 @ _ZL3barii.__uniq.276699478366846449772231447066107882794]:30:1524; CHECK-PROBE-FNAME: 1: 1525; CHECK-PROBE-FNAME: 4: 1526; CHECK-PROBE-FNAME: !CFGChecksum: 7261722075627 28 29; Original code:30; Dwarf: clang -O3 -funique-internal-linkage-names -g test.c -o a.out31; Probe: clang -O3 -funique-internal-linkage-names -fuse-ld=lld -fpseudo-probe-for-profiling -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Xclang -mdisable-tail-calls -g test.c -o a.out32 33#include <stdio.h>34 35static int bar(int x, int y) {36 if (x % 3) {37 return x - y;38 }39 return x + y;40}41 42void foo() {43 int s, i = 0;44 while (i++ < 4000 * 4000)45 if (i % 91) s = bar(i, s); else s += 30;46 printf("sum is %d\n", s);47}48 49int main() {50 foo();51 return 0;52}53