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59f9149f4e
The MemorySSA-based implementation has been enabled without issue for a while now, so keeping the old implementation around doesn't seem useful anymore. This drops the MemDep-based implementation. Differential Revision: https://reviews.llvm.org/D97877
33 lines
1.0 KiB
LLVM
33 lines
1.0 KiB
LLVM
; RUN: opt < %s -basic-aa -dse -S -enable-dse-partial-overwrite-tracking | FileCheck %s
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; PR28588
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: nounwind
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define void @_UPT_destroy(i8* nocapture %ptr) local_unnamed_addr #0 {
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entry:
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%edi = getelementptr inbounds i8, i8* %ptr, i64 8
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; CHECK-NOT: tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
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; CHECK-NOT: store i32 -1, i32* %addr
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tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
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%format4.i = getelementptr inbounds i8, i8* %ptr, i64 144
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%addr = bitcast i8* %format4.i to i32*
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store i32 -1, i32* %addr, align 8
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; CHECK: tail call void @free
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tail call void @free(i8* nonnull %ptr)
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ret void
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}
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; Function Attrs: nounwind
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declare void @free(i8* nocapture) local_unnamed_addr #0
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
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attributes #0 = { nounwind }
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attributes #1 = { argmemonly nounwind }
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