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17a0bf996f
from stores when folding in bitcasts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117265 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
753 B
LLVM
22 lines
753 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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; Instcombine should preserve metadata and alignment while
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; folding a bitcast into a store.
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; CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([5 x i8*]* @G, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 16, !tag !0
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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%struct.A = type { i32 (...)** }
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@G = external constant [5 x i8*]
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define void @foo(%struct.A* %a) nounwind {
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entry:
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%0 = bitcast %struct.A* %a to i8***
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store i8** getelementptr inbounds ([5 x i8*]* @G, i64 0, i64 2), i8*** %0, align 16, !tag !0
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ret void
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}
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!0 = metadata !{metadata !"hello"}
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