| ; RUN: llvm-profdata merge %S/Inputs/func_entry.proftext -o %t.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @s = common dso_local local_unnamed_addr global i32 0, align 4 |
| |
| define void @cold() { |
| ; CHECK-LABEL: @cold() |
| ; CHECK-SAME: #[[COLD_ATTR:[0-1]+]] |
| ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_ZERO:[0-9]+]] |
| |
| entry: |
| store i32 1, ptr @s, align 4 |
| ret void |
| } |
| |
| define void @hot() { |
| ; CHECK-LABEL: @hot() |
| ; CHECK-SAME: #[[HOT_ATTR:[0-1]+]] |
| ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_NON_ZERO:[0-9]+]] |
| entry: |
| %0 = load i32, ptr @s, align 4 |
| %add = add nsw i32 %0, 4 |
| store i32 %add, ptr @s, align 4 |
| ret void |
| } |
| |
| define void @med() { |
| ; CHECK-LABEL: @med |
| ; CHECK-NOT: # |
| ; CHECK-SAME: !prof ![[FUNC_ENTRY_COUNT_MED:[0-9]+]] |
| |
| entry: |
| store i32 1, ptr @s, align 4 |
| ret void |
| } |
| |
| ; CHECK-DAG: attributes #[[COLD_ATTR]] = { cold } |
| ; CHECK-DAG: attributes #[[HOT_ATTR]] = { inlinehint } |
| ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_ZERO]] = !{!"function_entry_count", i64 10} |
| ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_NON_ZERO]] = !{!"function_entry_count", i64 9000} |
| ; CHECK-DAG: ![[FUNC_ENTRY_COUNT_MED]] = !{!"function_entry_count", i64 50} |
