1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -mergeicmps -verify-dom-info -S | FileCheck %s
4 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
5 target triple = "i386-pc-windows-msvc19.11.0"
7 %class.a = type { i32, i32, i32, i32, i32 }
9 ; Function Attrs: nounwind optsize
10 define dso_local zeroext i1 @pr41917(%class.a* byval nocapture readonly align 4 %g, %class.a* byval nocapture readonly align 4 %p2) local_unnamed_addr #0 {
11 ; CHECK-LABEL: @pr41917(
13 ; CHECK-NEXT: [[CALL:%.*]] = tail call zeroext i1 @f2() #3
14 ; CHECK-NEXT: br i1 [[CALL]], label [[LAND_RHS:%.*]], label %"land.end+land.rhs3"
16 ; CHECK-NEXT: [[CALL1:%.*]] = tail call zeroext i1 @f2() #3
17 ; CHECK-NEXT: br label %"land.end+land.rhs3"
18 ; CHECK: "land.end+land.rhs3":
19 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[CLASS_A:%.*]], %class.a* [[G:%.*]], i32 0, i32 1
20 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[CLASS_A]], %class.a* [[P2:%.*]], i32 0, i32 1
21 ; CHECK-NEXT: [[CSTR:%.*]] = bitcast i32* [[TMP0]] to i8*
22 ; CHECK-NEXT: [[CSTR1:%.*]] = bitcast i32* [[TMP1]] to i8*
23 ; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[CSTR]], i8* [[CSTR1]], i32 8)
24 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[MEMCMP]], 0
25 ; CHECK-NEXT: br label [[LAND_END6:%.*]]
27 ; CHECK-NEXT: ret i1 [[TMP2]]
30 %call = tail call zeroext i1 @f2() #2
31 br i1 %call, label %land.rhs, label %land.end
33 land.rhs: ; preds = %entry
34 %call1 = tail call zeroext i1 @f2() #2
37 land.end: ; preds = %land.rhs, %entry
38 %c = getelementptr inbounds %class.a, %class.a* %g, i32 0, i32 1
39 %0 = load i32, i32* %c, align 4, !tbaa !3
40 %c2 = getelementptr inbounds %class.a, %class.a* %p2, i32 0, i32 1
41 %1 = load i32, i32* %c2, align 4, !tbaa !3
42 %cmp = icmp eq i32 %0, %1
43 br i1 %cmp, label %land.rhs3, label %land.end6
45 land.rhs3: ; preds = %land.end
46 %h = getelementptr inbounds %class.a, %class.a* %g, i32 0, i32 2
47 %2 = load i32, i32* %h, align 4, !tbaa !8
48 %h4 = getelementptr inbounds %class.a, %class.a* %p2, i32 0, i32 2
49 %3 = load i32, i32* %h4, align 4, !tbaa !8
50 %cmp5 = icmp eq i32 %2, %3
53 land.end6: ; preds = %land.rhs3, %land.end
54 %4 = phi i1 [ false, %land.end ], [ %cmp5, %land.rhs3 ]
58 declare dso_local zeroext i1 @f2() local_unnamed_addr #1
60 attributes #0 = { nounwind optsize "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
61 attributes #1 = { optsize "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
62 attributes #2 = { nounwind optsize }
64 !llvm.module.flags = !{!0, !1}
67 !0 = !{i32 1, !"NumRegisterParameters", i32 0}
68 !1 = !{i32 1, !"wchar_size", i32 2}
69 !2 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 1a8630ac2839d0e73fd3b15dc38501e4c6525a7e)"}
71 !4 = !{!"?AVa@@", !5, i64 0, !5, i64 4, !5, i64 8, !5, i64 12, !5, i64 16}
72 !5 = !{!"int", !6, i64 0}
73 !6 = !{!"omnipotent char", !7, i64 0}
74 !7 = !{!"Simple C++ TBAA"}