21 lines
613 B
LLVM
21 lines
613 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 dereferenceable_or_null metadata is combined
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; CHECK: load i32*, i32** %0
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; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]]
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define void @test_load_load_combine_metadata(i32**, i32**, i32**) {
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%a = load i32*, i32** %0, !dereferenceable_or_null !0
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%b = load i32*, i32** %0, !dereferenceable_or_null !1
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store i32 0, i32* %a
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store i32 0, i32* %b
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ret void
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}
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; CHECK: ![[DEREF]] = !{i64 4}
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!0 = !{i64 4}
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!1 = !{i64 8}
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