1 ; RUN: llvm-profdata merge %S/Inputs/func_entry.proftext -o %t.profdata
2 ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s
4 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 @s = common dso_local local_unnamed_addr global i32 0, align 4
10 ; CHECK-LABEL: @cold()
11 ; CHECK-SAME: #[[COLD_ATTR:[0-1]+]]
12 ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_ZERO:[0-9]+]]
15 store i32 1, i32* @s, align 4
21 ; CHECK-SAME: #[[HOT_ATTR:[0-1]+]]
22 ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_NON_ZERO:[0-9]+]]
24 %0 = load i32, i32* @s, align 4
25 %add = add nsw i32 %0, 4
26 store i32 %add, i32* @s, align 4
33 ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_MED:[0-9]+]]
36 store i32 1, i32* @s, align 4
40 ; CHECK-DAG: attributes #[[COLD_ATTR]] = { cold }
41 ; CHECK-DAG: attributes #[[HOT_ATTR]] = { inlinehint }
42 ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_ZERO]] = !{!"function_entry_count", i64 10}
43 ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_NON_ZERO]] = !{!"function_entry_count", i64 9000}
44 ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_MED]] = !{!"function_entry_count", i64 50}