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TheRock/compiler/amd-llvm/compiler-rt/test/profile/Linux/counter_promo_nest.c
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

54 lines
1.6 KiB
C

// RUN: rm -fr %t.promo.prof
// RUN: rm -fr %t.nopromo.prof
// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen -O2 %s
// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen.ll -emit-llvm -S -O2 %s
// RUN: cat %t.promo.gen.ll | FileCheck --check-prefix=PROMO %s
// RUN: %run %t.promo.gen
// RUN: llvm-profdata merge -o %t.promo.profdata %t.promo.prof/
// RUN: llvm-profdata show --counts --all-functions %t.promo.profdata > %t.promo.dump
// RUN: %clang_pgogen=%t.nopromo.prof/ -mllvm -do-counter-promotion=false -o %t.nopromo.gen -O2 %s
// RUN: %run %t.nopromo.gen
// RUN: llvm-profdata merge -o %t.nopromo.profdata %t.nopromo.prof/
// RUN: llvm-profdata show --counts --all-functions %t.nopromo.profdata > %t.nopromo.dump
// RUN: llvm-profdata show %t.promo.profdata > %t.promo.dump
// RUN: llvm-profdata show %t.nopromo.profdata > %t.nopromo.dump
// RUN: diff %t.promo.dump %t.nopromo.dump
int g;
__attribute__((noinline)) void bar() {
g++;
}
extern int printf(const char*,...);
int c = 10;
int main()
// PROMO-LABEL: @main
// PROMO: load{{.*}}@__profc_main{{.*}}
// PROMO-NEXT: add
// PROMO-NEXT: store{{.*}}@__profc_main{{.*}}
// PROMO: load{{.*}}@__profc_main{{.*}}
// PROMO-NEXT: add
// PROMO-NEXT: store{{.*}}@__profc_main{{.*}}
// PROMO-NEXT: load{{.*}}@__profc_main{{.*}}
// PROMO-NEXT: add
// PROMO-NEXT: store{{.*}}@__profc_main{{.*}}
{
int i, j, k;
g = 0;
for (i = 0; i < c; i++)
for (j = 0; j < c; j++)
for (k = 0; k < c; k++)
bar();
for (i = 0; i < c; i++)
for (j = 0; j < 10*c;j++)
bar();
for (i = 0; i < 100*c; i++)
bar();
return 0;
}