forked from OSchip/llvm-project
48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
// 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();
|
|
}
|
|
}
|