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18 lines
451 B
LLVM
18 lines
451 B
LLVM
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; RUN: opt -S -instcombine < %s 2>&1 | FileCheck %s
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define i64 @f(i64* %p1, i64* %p2) {
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top:
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; check that the tbaa is preserved
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; CHECK-LABEL: @f(
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; CHECK: %v1 = load i64, i64* %p1, align 8, !tbaa !0
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; CHECK: store i64 %v1, i64* %p2, align 8
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; CHECK: ret i64 %v1
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%v1 = load i64, i64* %p1, align 8, !tbaa !0
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store i64 %v1, i64* %p2, align 8
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%v2 = load i64, i64* %p2, align 8
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ret i64 %v2
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}
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!0 = !{!1, !1, i64 0}
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!1 = !{!"load_tbaa"}
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