xref: /aosp_15_r20/external/llvm/test/Analysis/BlockFrequencyInfo/double_backedge.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -analyze -block-freq | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine void @double_backedge(i1 %x) {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: block-frequency-info: double_backedge
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
9*9880d681SAndroid Build Coastguard Worker  br label %loop
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerloop:
12*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: loop: float = 10.0,
13*9880d681SAndroid Build Coastguard Worker  br i1 %x, label %exit, label %loop.1, !prof !0
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerloop.1:
16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: loop.1: float = 9.0,
17*9880d681SAndroid Build Coastguard Worker  br i1 %x, label %loop, label %loop.2, !prof !1
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerloop.2:
20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: loop.2: float = 5.0,
21*9880d681SAndroid Build Coastguard Worker  br label %loop
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerexit:
24*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
25*9880d681SAndroid Build Coastguard Worker  ret void
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker!0 = !{!"branch_weights", i32 1, i32 9}
28*9880d681SAndroid Build Coastguard Worker!1 = !{!"branch_weights", i32 4, i32 5}
29