llvm-project/clang/test/Profile/cxx-indirect-call.cpp

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746 B
C++

// Check the value profiling intrinsics emitted by instrumentation.
// RUN: %clang_cc1 -no-opaque-pointers %s -o - -emit-llvm -fprofile-instrument=clang -mllvm -enable-value-profiling -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 | FileCheck %s
void (*foo) (void);
int main(int argc, const char *argv[]) {
// CHECK: [[REG1:%[0-9]+]] = load void ()*, void ()** @foo
// CHECK-NEXT: [[REG2:%[0-9]+]] = ptrtoint void ()* [[REG1]] to i64
// CHECK-NEXT: call void @__llvm_profile_instrument_target(i64 [[REG2]], i8* bitcast ({{.*}}* @__profd_main to i8*), i32 0)
// CHECK-NEXT: invoke void [[REG1]]()
try {
foo();
} catch (int) {}
return 0;
}
// CHECK: declare void @__llvm_profile_instrument_target(i64, i8*, i32)