47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
// RUN: rm -f %t.profdata
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// RUN: %clang_pgogen -o %t -mllvm -pgo-temporal-instrumentation %s
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// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t n
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// RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t y
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// RUN: llvm-profdata merge -o %t.profdata %t.0.profraw --weighted-input=5,%t.1.profraw
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// RUN: llvm-profdata show --temporal-profile-traces %t.profdata | FileCheck %s --implicit-check-not=unused
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// RUN: rm -f %t.profdata
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// RUN: %clang_pgogen -o %t -mllvm -pgo-temporal-instrumentation -mllvm -pgo-block-coverage %s
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// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t n
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// RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t y
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// RUN: llvm-profdata merge -o %t.profdata %t.0.profraw --weighted-input=5,%t.1.profraw
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// RUN: llvm-profdata show --temporal-profile-traces %t.profdata | FileCheck %s --implicit-check-not=unused
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extern void exit(int);
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extern void __llvm_profile_reset_counters();
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void a() {}
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void b() {}
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void unused() { exit(1); }
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void c() {}
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int main(int argc, const char *argv[]) {
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if (argc != 2)
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unused();
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a();
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b();
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b();
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c();
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if (*argv[1] == 'y')
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__llvm_profile_reset_counters();
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a();
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c();
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b();
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return 0;
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}
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// CHECK: Temporal Profile Traces (samples=2 seen=2):
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// CHECK: Temporal Profile Trace 0 (weight=1 count=4):
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// CHECK: main
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// CHECK: a
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// CHECK: b
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// CHECK: c
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// CHECK: Temporal Profile Trace 1 (weight=5 count=3):
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// CHECK: a
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// CHECK: c
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// CHECK: b
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