xref: /llvm-project/llvm/test/Instrumentation/InstrProfiling/align32.ll (revision 401f768061e6b7498f6f5d50f8e31143c4d6ae2d)
1;; Check that the prf_vnodes variable has the correct alignment
2;; when pointers are 4 byte long.
3; RUN: opt %s -passes=instrprof -S | FileCheck %s --check-prefix=ALIGN32
4
5target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"
6target triple = "i386-unknown-linux-gnu"
7
8@__profn_foo = private constant [3 x i8] c"foo"
9@__profn_bar = private constant [3 x i8] c"bar"
10
11define i32 @foo(ptr ) {
12  call void @llvm.instrprof.increment(ptr @__profn_foo, i64 12884901887, i32 1, i32 0)
13  %2 = ptrtoint ptr %0 to i64
14  call void @llvm.instrprof.value.profile(ptr @__profn_foo, i64 12884901887, i64 %2, i32 0, i32 0)
15  %3 = tail call i32 %0()
16  ret i32 %3
17}
18
19$bar = comdat any
20
21define i32 @bar(ptr ) comdat {
22entry:
23  call void @llvm.instrprof.increment(ptr @__profn_bar, i64 12884901887, i32 1, i32 0)
24  %1 = ptrtoint ptr %0 to i64
25  call void @llvm.instrprof.value.profile(ptr @__profn_bar, i64 12884901887, i64 %1, i32 0, i32 0)
26  %2 = tail call i32 %0()
27  ret i32 %2
28}
29
30; Function Attrs: nounwind
31declare void @llvm.instrprof.increment(ptr, i64, i32, i32) #0
32
33; Function Attrs: nounwind
34declare void @llvm.instrprof.value.profile(ptr, i64, i64, i32, i32) #0
35
36attributes #0 = { nounwind }
37
38; ALIGN32: @__llvm_prf_vnodes = private global {{.*}} section "__llvm_prf_vnds", align 4
39