blob: 032cff204cf7a6747730e6e552d27baa10617e29 [file] [log] [blame]
; Test unique linkage name decoding and canonicalization from dwarf debug info
; 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=0
; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-DWARF-FNAME
; CHECK-DWARF-FNAME:[main:1 @ foo]:309:0
; CHECK-DWARF-FNAME: 2: 14
; CHECK-DWARF-FNAME: 3: 29 bar.__uniq.26267048767521081047744692097241227776:14
; CHECK-DWARF-FNAME:[main:1 @ foo:3 @ bar.__uniq.26267048767521081047744692097241227776]:84:0
; CHECK-DWARF-FNAME: 1: 14
; Test unique linkage name decoding and canonicalization from pseudo probe info
; 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=0
; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-PROBE-FNAME
; CHECK-PROBE-FNAME:[main:2 @ foo]:75:0
; CHECK-PROBE-FNAME: 2: 15
; CHECK-PROBE-FNAME: 3: 15
; CHECK-PROBE-FNAME: 4: 15
; CHECK-PROBE-FNAME: 6: 15
; CHECK-PROBE-FNAME: 8: 15 _ZL3barii.__uniq.276699478366846449772231447066107882794:15
; CHECK-PROBE-FNAME: !CFGChecksum: 563088904013236
; CHECK-PROBE-FNAME:[main:2 @ foo:8 @ _ZL3barii.__uniq.276699478366846449772231447066107882794]:30:15
; CHECK-PROBE-FNAME: 1: 15
; CHECK-PROBE-FNAME: 4: 15
; CHECK-PROBE-FNAME: !CFGChecksum: 72617220756
; Original code:
; Dwarf: clang -O3 -funique-internal-linkage-names -g test.c -o a.out
; 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.out
#include <stdio.h>
static int bar(int x, int y) {
if (x % 3) {
return x - y;
}
return x + y;
}
void foo() {
int s, i = 0;
while (i++ < 4000 * 4000)
if (i % 91) s = bar(i, s); else s += 30;
printf("sum is %d\n", s);
}
int main() {
foo();
return 0;
}