1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2 ; RUN: opt < %s --passes=instrprof -sampled-instrumentation --sampled-instr-period=1009 --sampled-instr-burst-duration=32 -S | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 $__llvm_profile_raw_version = comdat any
9 @__llvm_profile_raw_version = constant i64 72057594037927940, comdat
10 @__profn_f = private constant [1 x i8] c"f"
13 ; CHECK-LABEL: define void @f() {
14 ; CHECK-NEXT: [[ENTRY:.*:]]
15 ; CHECK-NEXT: [[TMP0:%.*]] = load i16, ptr @__llvm_profile_sampling, align 2
16 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i16 [[TMP0]], 32
17 ; CHECK-NEXT: br i1 [[TMP1]], label %[[BB2:.*]], label %[[BB4:.*]], !prof [[PROF0:![0-9]+]]
19 ; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_f, align 8
20 ; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[PGOCOUNT]], 1
21 ; CHECK-NEXT: store i64 [[TMP3]], ptr @__profc_f, align 8
22 ; CHECK-NEXT: br label %[[BB4]]
24 ; CHECK-NEXT: [[TMP5:%.*]] = add i16 [[TMP0]], 1
25 ; CHECK-NEXT: [[TMP6:%.*]] = icmp uge i16 [[TMP5]], 1009
26 ; CHECK-NEXT: br i1 [[TMP6]], label %[[BB7:.*]], label %[[BB8:.*]], !prof [[PROF1:![0-9]+]]
28 ; CHECK-NEXT: store i16 0, ptr @__llvm_profile_sampling, align 2
29 ; CHECK-NEXT: br label %[[BB9:.*]]
31 ; CHECK-NEXT: store i16 [[TMP5]], ptr @__llvm_profile_sampling, align 2
32 ; CHECK-NEXT: br label %[[BB9]]
34 ; CHECK-NEXT: ret void
37 call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_f, i32 0, i32 0), i64 12884901887, i32 1, i32 0)
41 declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
43 ; CHECK: [[PROF0]] = !{!"branch_weights", i32 32, i32 978}
44 ; CHECK: [[PROF1]] = !{!"branch_weights", i32 1, i32 1009}