forked from OSchip/llvm-project
30 lines
853 B
LLVM
30 lines
853 B
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
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target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
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; CHECK-LABEL: @test_load_load_combine_metadata(
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; Check that range and AA metadata is combined
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; CHECK: %[[V:.*]] = load i32, i32* %0
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; CHECK-SAME: !tbaa !{{[0-9]+}}
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; CHECK-SAME: !range ![[RANGE:[0-9]+]]
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; CHECK: store i32 %[[V]], i32* %1
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; CHECK: store i32 %[[V]], i32* %2
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define void @test_load_load_combine_metadata(i32*, i32*, i32*) {
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%a = load i32, i32* %0, !tbaa !8, !range !0, !alias.scope !5, !noalias !6
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%b = load i32, i32* %0, !tbaa !8, !range !1
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store i32 %a, i32* %1
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store i32 %b, i32* %2
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ret void
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}
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; CHECK: ![[RANGE]] = !{i32 0, i32 1, i32 8, i32 9}
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!0 = !{ i32 0, i32 1 }
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!1 = !{ i32 8, i32 9 }
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!2 = !{!2}
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!3 = !{!3, !2}
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!4 = !{!4, !2}
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!5 = !{!3}
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!6 = !{!4}
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!7 = !{ !"tbaa root" }
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!8 = !{ !7, !7, i64 0 }
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