1; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
2; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
3; RUN: llvm-profdata merge %S/Inputs/branch2.proftext -o %t.profdata
4; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
5; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9; GEN: $__llvm_profile_raw_version = comdat any
10; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat
11; GEN: @__profn_test_br_2 = private constant [9 x i8] c"test_br_2"
12
13define i32 @test_br_2(i32 %i) {
14entry:
15; GEN: entry:
16; GEN-NOT: llvm.instrprof.increment
17  %cmp = icmp sgt i32 %i, 0
18  br i1 %cmp, label %if.then, label %if.else
19; USE: br i1 %cmp, label %if.then, label %if.else
20; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]]
21; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 1, i32 1}
22
23if.then:
24; GEN: if.then:
25; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @__profn_test_br_2, i32 0, i32 0), i64 29667547796, i32 2, i32 0)
26  %add = add nsw i32 %i, 2
27  br label %if.end
28
29if.else:
30; GEN: if.else:
31; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @__profn_test_br_2, i32 0, i32 0), i64 29667547796, i32 2, i32 1)
32  %sub = sub nsw i32 %i, 2
33  br label %if.end
34
35if.end:
36; GEN: if.end:
37; GEN-NOT: llvm.instrprof.increment
38  %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ]
39  ret i32 %retv
40; GEN: ret
41}
42