xref: /aosp_15_r20/external/llvm/test/Transforms/LoopSimplify/dup-preds.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -loop-simplify -S %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
3*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-bgq-linux"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine fastcc void @do_update_md([3 x float]* nocapture readonly %x) #0 {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %if.end365, label %lor.lhs.false134
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerlor.lhs.false134:                                 ; preds = %entry
10*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %lor.lhs.false138, label %if.end365
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerlor.lhs.false138:                                 ; preds = %lor.lhs.false134
13*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %lor.lhs.false142, label %if.end365
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerlor.lhs.false142:                                 ; preds = %lor.lhs.false138
16*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %for.body276.lr.ph, label %if.end365
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerfor.body276.lr.ph:                                ; preds = %lor.lhs.false142
19*9880d681SAndroid Build Coastguard Worker  switch i16 undef, label %if.then288 [
20*9880d681SAndroid Build Coastguard Worker    i16 4, label %for.body344
21*9880d681SAndroid Build Coastguard Worker    i16 2, label %for.body344
22*9880d681SAndroid Build Coastguard Worker  ]
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerif.then288:                                       ; preds = %for.body276.lr.ph
25*9880d681SAndroid Build Coastguard Worker  br label %for.body305
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerfor.body305:                                      ; preds = %for.body305, %if.then288
28*9880d681SAndroid Build Coastguard Worker  br label %for.body305
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerfor.body344:                                      ; preds = %for.body344, %for.body276.lr.ph, %for.body276.lr.ph
31*9880d681SAndroid Build Coastguard Worker  %indvar = phi i64 [ %indvar.next, %for.body344 ], [ 0, %for.body276.lr.ph ], [ 0, %for.body276.lr.ph ]
32*9880d681SAndroid Build Coastguard Worker  %indvars.iv552 = phi i64 [ %indvars.iv.next553, %for.body344 ], [ 0, %for.body276.lr.ph ], [ 0, %for.body276.lr.ph ]
33*9880d681SAndroid Build Coastguard Worker  %indvars.iv.next553 = add nuw nsw i64 %indvars.iv552, 1
34*9880d681SAndroid Build Coastguard Worker  %indvar.next = add i64 %indvar, 1
35*9880d681SAndroid Build Coastguard Worker  br label %for.body344
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @do_update_md
38*9880d681SAndroid Build Coastguard Worker; CHECK: %indvars.iv552 = phi i64 [ %indvars.iv.next553, %for.body344 ], [ 0, %for.body344.preheader ]
39*9880d681SAndroid Build Coastguard Worker; CHECK: ret
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerif.end365:                                        ; preds = %lor.lhs.false142, %lor.lhs.false138, %lor.lhs.false134, %entry
42*9880d681SAndroid Build Coastguard Worker  ret void
43*9880d681SAndroid Build Coastguard Worker}
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind }
46*9880d681SAndroid Build Coastguard Worker
47