1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -dse -S %s | FileCheck %s
3
4declare i8* @_Znwm() local_unnamed_addr #0
5
6; Function Attrs: argmemonly nounwind willreturn writeonly
7declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1
8
9define void @test1(i1 %c) {
10; CHECK-LABEL: @test1(
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    br i1 [[C:%.*]], label [[COND_TRUE_I_I_I:%.*]], label [[COND_END_I_I_I:%.*]]
13; CHECK:       cond.true.i.i.i:
14; CHECK-NEXT:    ret void
15; CHECK:       cond.end.i.i.i:
16; CHECK-NEXT:    [[CALL_I_I_I_I_I:%.*]] = tail call noalias nonnull i8* @_Znam()
17; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i8* [[CALL_I_I_I_I_I]] to i64*
18; CHECK-NEXT:    tail call void @llvm.memset.p0i8.i64(i8* nonnull align 8 [[CALL_I_I_I_I_I]], i8 0, i64 undef, i1 false)
19; CHECK-NEXT:    store i64 0, i64* [[TMP0]], align 8
20; CHECK-NEXT:    ret void
21;
22entry:
23  br i1 %c, label %cond.true.i.i.i, label %cond.end.i.i.i
24
25cond.true.i.i.i:                                  ; preds = %entry
26  ret void
27
28cond.end.i.i.i:                                   ; preds = %entry
29  %call.i.i.i.i.i = tail call noalias nonnull i8* @_Znam() #2
30  %0 = bitcast i8* %call.i.i.i.i.i to i64*
31  tail call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %call.i.i.i.i.i, i8 0, i64 undef, i1 false) #3
32  store i64 0, i64* %0, align 8
33  ret void
34}
35
36declare i8* @_Znam() local_unnamed_addr #0
37
38
39define void @test2(i1 %c) {
40; CHECK-LABEL: @test2(
41; CHECK-NEXT:  entry:
42; CHECK-NEXT:    br i1 [[C:%.*]], label [[CLEANUP_CONT104:%.*]], label [[IF_THEN:%.*]]
43; CHECK:       if.then:
44; CHECK-NEXT:    [[MUL_I_I_I_I:%.*]] = shl nuw nsw i64 undef, 3
45; CHECK-NEXT:    [[CALL_I_I_I_I_I_I131:%.*]] = call noalias nonnull i8* @_Znwm()
46; CHECK-NEXT:    [[DOTCAST_I_I:%.*]] = bitcast i8* [[CALL_I_I_I_I_I_I131]] to i64*
47; CHECK-NEXT:    store i64 0, i64* [[DOTCAST_I_I]], align 8
48; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* nonnull align 8 [[CALL_I_I_I_I_I_I131]], i8 0, i64 [[MUL_I_I_I_I]], i1 false)
49; CHECK-NEXT:    ret void
50; CHECK:       cleanup.cont104:
51; CHECK-NEXT:    ret void
52;
53entry:
54  br i1 %c, label %cleanup.cont104, label %if.then
55
56if.then:                                          ; preds = %entry
57  %mul.i.i.i.i = shl nuw nsw i64 undef, 3
58  %call.i.i.i.i.i.i131 = call noalias nonnull i8* @_Znwm() #2
59  %.cast.i.i = bitcast i8* %call.i.i.i.i.i.i131 to i64*
60  store i64 0, i64* %.cast.i.i, align 8
61  call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %call.i.i.i.i.i.i131, i8 0, i64 %mul.i.i.i.i, i1 false) #3
62  ret void
63
64cleanup.cont104:                                  ; preds = %entry
65  ret void
66}
67
68attributes #0 = { "use-soft-float"="false" }
69attributes #1 = { argmemonly nounwind willreturn writeonly }
70attributes #2 = { builtin nounwind }
71attributes #3 = { nounwind }
72