xref: /llvm-project/llvm/test/Instrumentation/InstrProfiling/before-value-profile-lowering.ll (revision 30f098ef9dfb121bccaef6975b13788b6f940e47)
1; Test to ensure that when the only instrprof increment instruction is
2; increment by step instruction and there is value profile instruction
3; in front of all increment instructions in a function,
4; the profile data variable is generated before value profile lowering
5
6; RUN: opt < %s -passes=instrprof -S | FileCheck %s
7
8target triple = "x86_64-unknown-linux-gnu"
9
10declare void @llvm.instrprof.increment.step(ptr, i64, i32, i32, i64)
11
12declare void @llvm.instrprof.value.profile(ptr, i64, i64, i32, i32)
13
14; CHECK: @__profd_foo = private global
15@__profn_foo = private constant [3 x i8] c"foo"
16
17define i32 @foo(ptr ) {
18  %2 = ptrtoint ptr %0 to i64
19  call void @llvm.instrprof.value.profile(ptr @__profn_foo, i64 0, i64 %2, i32 0, i32 0)
20  call void @llvm.instrprof.increment.step(ptr @__profn_foo, i64 0, i32 1, i32 0, i64 0)
21  %3 = tail call i32 %0()
22  ret i32 %3
23}
24