derek.holloway
7502bf64a4
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78 lines
3.5 KiB
LLVM
78 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=memcpyopt,dse -S -verify-memoryssa | FileCheck %s
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define void @test() local_unnamed_addr {
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; CHECK-LABEL: define void @test() local_unnamed_addr {
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; CHECK-NEXT: [[TEST_ARRAY_B:%.*]] = alloca [31 x float], align 4
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr float, ptr [[TEST_ARRAY_B]], i64 1
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; CHECK-NEXT: store float f0x335528C4, ptr [[TMP1]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr float, ptr [[TEST_ARRAY_B]], i64 1
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; CHECK-NEXT: [[TMP3:%.*]] = load float, ptr [[TMP2]], align 4
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; CHECK-NEXT: ret void
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;
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%test_array_a = alloca [31 x float], align 4
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%test_array_b = alloca [31 x float], align 4
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%1 = getelementptr float, ptr %test_array_b, i64 1
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store float 0x3E6AA51880000000, ptr %1, align 4, !tbaa !4
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call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(124) %test_array_a, ptr noundef nonnull align 4 dereferenceable(124) %test_array_b, i64 124, i1 false)
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%2 = getelementptr float, ptr %test_array_a, i64 1
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%3 = load float, ptr %2, align 4, !tbaa !7
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ret void
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}
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%struct.Outer = type { float, double, %struct.Inner }
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%struct.Inner = type { i32, float }
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; Function Attrs: nounwind uwtable
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define dso_local float @f() {
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; CHECK-LABEL: define dso_local float @f() {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[TEST1:%.*]] = alloca [[STRUCT_OUTER:%.*]], align 8
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; CHECK-NEXT: [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_OUTER]], ptr [[TEST1]], i32 0, i32 0
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; CHECK-NEXT: store float 0.000000e+00, ptr [[F]], align 8
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; CHECK-NEXT: [[F1:%.*]] = getelementptr inbounds nuw [[STRUCT_OUTER]], ptr [[TEST1]], i32 0, i32 0
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; CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[F1]], align 8
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; CHECK-NEXT: [[ADD:%.*]] = fadd float [[TMP0]], 2.000000e+00
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; CHECK-NEXT: store float [[ADD]], ptr [[F1]], align 8
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; CHECK-NEXT: [[F2:%.*]] = getelementptr inbounds nuw [[STRUCT_OUTER]], ptr [[TEST1]], i32 0, i32 0
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; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[F2]], align 8
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; CHECK-NEXT: ret float [[TMP1]]
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;
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entry:
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%test = alloca %struct.Outer, align 8
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%test1 = alloca %struct.Outer, align 8
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%f = getelementptr inbounds nuw %struct.Outer, ptr %test1, i32 0, i32 0
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store float 0.000000e+00, ptr %f, align 8, !tbaa !9
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%inner_a = getelementptr inbounds nuw %struct.Outer, ptr %test1, i32 0, i32 2
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%i = getelementptr inbounds nuw %struct.Inner, ptr %inner_a, i32 0, i32 0
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store i32 0, ptr %i, align 8, !tbaa !17
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call void @llvm.memcpy.p0.p0.i64(ptr align 8 %test, ptr align 8 %test1, i64 24, i1 false)
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%f1 = getelementptr inbounds nuw %struct.Outer, ptr %test, i32 0, i32 0
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%0 = load float, ptr %f1, align 8, !tbaa !9
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%add = fadd float %0, 2.000000e+00
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store float %add, ptr %f1, align 8, !tbaa !9
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%f2 = getelementptr inbounds nuw %struct.Outer, ptr %test, i32 0, i32 0
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%1 = load float, ptr %f2, align 8, !tbaa !9
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ret float %1
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}
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!1 = !{!"any data access", !2, i64 0}
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!2 = !{!"any access", !3, i64 0}
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!3 = !{!"Flang function root test"}
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!4 = !{!5, !5, i64 0}
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!5 = !{!"allocated data/test_array_a", !6, i64 0}
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!6 = !{!"allocated data", !1, i64 0}
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!7 = !{!8, !8, i64 0}
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!8 = !{!"allocated data/test_array_b", !6, i64 0}
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!9 = !{!10, !11, i64 0}
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!10 = !{!"Outer", !11, i64 0, !14, i64 8, !15, i64 16}
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!11 = !{!"float", !12, i64 0}
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!12 = !{!"omnipotent char", !13, i64 0}
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!13 = !{!"Simple C/C++ TBAA"}
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!14 = !{!"double", !12, i64 0}
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!15 = !{!"Inner", !16, i64 0, !11, i64 4}
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!16 = !{!"int", !12, i64 0}
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!17 = !{!10, !16, i64 16}
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