xref: /aosp_15_r20/external/llvm/test/Transforms/PGOProfile/branch2.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
3*9880d681SAndroid Build Coastguard Worker; RUN: llvm-profdata merge %S/Inputs/branch2.proftext -o %t.profdata
4*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
5*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
6*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; GEN: $__llvm_profile_raw_version = comdat any
10*9880d681SAndroid Build Coastguard Worker; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat
11*9880d681SAndroid Build Coastguard Worker; GEN: @__profn_test_br_2 = private constant [9 x i8] c"test_br_2"
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine i32 @test_br_2(i32 %i) {
14*9880d681SAndroid Build Coastguard Workerentry:
15*9880d681SAndroid Build Coastguard Worker; GEN: entry:
16*9880d681SAndroid Build Coastguard Worker; GEN-NOT: llvm.instrprof.increment
17*9880d681SAndroid Build Coastguard Worker  %cmp = icmp sgt i32 %i, 0
18*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.else
19*9880d681SAndroid Build Coastguard Worker; USE: br i1 %cmp, label %if.then, label %if.else
20*9880d681SAndroid Build Coastguard Worker; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]]
21*9880d681SAndroid Build Coastguard Worker; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 1, i32 1}
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerif.then:
24*9880d681SAndroid Build Coastguard Worker; GEN: if.then:
25*9880d681SAndroid Build Coastguard Worker; 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*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %i, 2
27*9880d681SAndroid Build Coastguard Worker  br label %if.end
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerif.else:
30*9880d681SAndroid Build Coastguard Worker; GEN: if.else:
31*9880d681SAndroid Build Coastguard Worker; 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*9880d681SAndroid Build Coastguard Worker  %sub = sub nsw i32 %i, 2
33*9880d681SAndroid Build Coastguard Worker  br label %if.end
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerif.end:
36*9880d681SAndroid Build Coastguard Worker; GEN: if.end:
37*9880d681SAndroid Build Coastguard Worker; GEN-NOT: llvm.instrprof.increment
38*9880d681SAndroid Build Coastguard Worker  %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ]
39*9880d681SAndroid Build Coastguard Worker  ret i32 %retv
40*9880d681SAndroid Build Coastguard Worker; GEN: ret
41*9880d681SAndroid Build Coastguard Worker}
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