1 ; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY
2 ; RUN: llvm-profdata merge %S/Inputs/branch2.proftext -o %t.profdata
3 ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
5 ; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY
6 ; RUN: llvm-profdata merge %S/Inputs/branch2_entry.proftext -o %t.profdata
7 ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
8 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
9 target triple = "x86_64-unknown-linux-gnu"
11 ; GEN: $__llvm_profile_raw_version = comdat any
12 ; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat
13 ; GEN: @__profn_test_br_2 = private constant [9 x i8] c"test_br_2"
15 define i32 @test_br_2(i32 %i) {
18 ; NOTENTRY-NOT: llvm.instrprof.increment
19 ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 0)
20 %cmp = icmp sgt i32 %i, 0
21 br i1 %cmp, label %if.then, label %if.else
22 ; USE: br i1 %cmp, label %if.then, label %if.else
23 ; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]]
24 ; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 1, i32 1}
28 ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 0)
29 ; ENTRY-NOT: llvm.instrprof.increment
30 %add = add nsw i32 %i, 2
35 ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 1)
36 %sub = sub nsw i32 %i, 2
41 ; GEN-NOT: llvm.instrprof.increment
42 %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ]