diff options
author | Xinliang David Li <davidxl@google.com> | 2016-11-29 22:00:54 +0000 |
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committer | Xinliang David Li <davidxl@google.com> | 2016-11-29 22:00:54 +0000 |
commit | 1c9488de0b0eceb87b75848a15b8eb2219eb5170 (patch) | |
tree | 2dfe9ff09f27e5cbd1908145667e40ee0bbc2a05 /test/profile | |
parent | f5b57a6e6c35536268c680c785dff33d1b587c97 (diff) |
[Profile] Fix value profiler eviction bug
Differential Revision: https://reviews.llvm.org/D27224
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@288204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/profile')
-rw-r--r-- | test/profile/instrprof-value-prof-reset.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/profile/instrprof-value-prof-reset.c b/test/profile/instrprof-value-prof-reset.c new file mode 100644 index 000000000..b3744f573 --- /dev/null +++ b/test/profile/instrprof-value-prof-reset.c @@ -0,0 +1,47 @@ +// RUN: %clang_profgen -O2 -mllvm -enable-value-profiling=true -mllvm -vp-static-alloc=true -mllvm -vp-counters-per-site=3 -o %t %s +// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: llvm-profdata show --all-functions -ic-targets %t.profdata | FileCheck %s + +// IR level instrumentation +// RUN: %clang_pgogen -O2 -mllvm -disable-vp=false -mllvm -vp-static-alloc=true -mllvm -vp-counters-per-site=3 -o %t.ir %s +// RUN: env LLVM_PROFILE_FILE=%t.ir.profraw %run %t.ir +// RUN: llvm-profdata merge -o %t.ir.profdata %t.ir.profraw +// RUN: llvm-profdata show --all-functions -ic-targets %t.ir.profdata | FileCheck %s + +// IR level instrumentation, dynamic allocation +// RUN: %clang_pgogen -O2 -mllvm -disable-vp=false -mllvm -vp-static-alloc=false -o %t.ir.dyn %s +// RUN: env LLVM_PROFILE_FILE=%t.ir.dyn.profraw %run %t.ir.dyn +// RUN: llvm-profdata merge -o %t.ir.dyn.profdata %t.ir.dyn.profraw +// RUN: llvm-profdata show --all-functions -ic-targets %t.ir.dyn.profdata | FileCheck %s +void callee_0() {} +void callee_1() {} +void callee_2() {} + +void *CalleeAddrs[] = {callee_0, callee_1, callee_2, callee_2, callee_2}; +extern void lprofSetMaxValsPerSite(unsigned); +extern void __llvm_profile_reset_counters(); + +typedef void (*FPT)(void); + + +// Testing value profiling eviction algorithm. +FPT getCalleeFunc(int I) { return CalleeAddrs[I]; } + +int main() { + int I; + + // First fill up two value profile entries with two targets + lprofSetMaxValsPerSite(2); + + for (I = 0; I < 5; I++) { + if (I == 2) { + __llvm_profile_reset_counters(); + } + // CHECK: callee_2, 3 + // CHECK-NEXT: callee_1, 0 + // CHECK-NOT: callee_0, + FPT FP = getCalleeFunc(I); + FP(); + } +} |