xref: /llvm-project/llvm/test/Transforms/ADCE/delete-profiling-calls-to-constant.ll (revision 563cf93776e7100aabe6d91afdcd7e7405ee7338) 
1; RUN: opt < %s -passes=adce -S | FileCheck %s
2
3; Verify that a call to instrument a constant is deleted.
4
5@__profc_foo = private global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", align 8
6@__profd_foo = private global { i64, i64, ptr, ptr, ptr, i32, [1 x i16] } { i64 6699318081062747564, i64 0, ptr @__profc_foo, ptr @foo, ptr null, i32 1, [1 x i16] [i16 1] }, section "__llvm_prf_data", align 8
7
8define i32 @foo() {
9; CHECK-NOT: call void @__llvm_profile_instrument_target
10entry:
11  tail call void @__llvm_profile_instrument_target(i64 ptrtoint (ptr @bar to i64), ptr @__profd_foo, i32 0)
12  %call = tail call i32 @bar(i32 21)
13  ret i32 %call
14}
15
16declare i32 @bar(i32)
17
18declare void @__llvm_profile_instrument_target(i64, ptr, i32)
19