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8cea2a9fb5
Prevent memory objects of different address spaces to be part of the same load/store groups when analysing interleaved accesses. This is fixing pr31900. Reviewers: HaoLiu, mssimpso, mkuper Reviewed By: mssimpso, mkuper Subscribers: llvm-commits, efriedma, mzolotukhin Differential Revision: https://reviews.llvm.org/D29717 This reverts r295042 (re-applies r295038) with an additional fix for the buildbot problem. llvm-svn: 295858
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; RUN: opt -S -mtriple=aarch64-apple-ios -loop-vectorize -enable-interleaved-mem-accesses -force-vector-width=2 < %s | FileCheck %s
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; Reproducer for address space fault in the LoopVectorizer (pr31900). Added
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; different sized address space pointers (p:16:16-p4:32:16) to the aarch64
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; datalayout to reproduce the fault.
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128-p:16:16-p4:32:16"
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; Check that all the loads are scalarized
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; CHECK: load i16, i16*
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; CHECK: load i16, i16*
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; CHECK: load i16, i16 addrspace(4)*
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; CHECK: load i16, i16 addrspace(4)*
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%rec1445 = type { i16, i16, i16, i16, i16 }
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define void @foo() {
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bb1:
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br label %bb4
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bb4:
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%tmp1 = phi i16 [ undef, %bb1 ], [ %_tmp1013, %bb4 ]
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%tmp2 = phi %rec1445* [ undef, %bb1 ], [ %_tmp1015, %bb4 ]
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%tmp3 = phi %rec1445 addrspace(4)* [ undef, %bb1 ], [ %_tmp1017, %bb4 ]
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%0 = getelementptr %rec1445, %rec1445* %tmp2, i16 0, i32 1
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%_tmp987 = load i16, i16* %0, align 1
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%1 = getelementptr %rec1445, %rec1445 addrspace(4)* %tmp3, i32 0, i32 1
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%_tmp993 = load i16, i16 addrspace(4)* %1, align 1
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%_tmp1013 = add i16 %tmp1, 1
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%_tmp1015 = getelementptr %rec1445, %rec1445* %tmp2, i16 1
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%_tmp1017 = getelementptr %rec1445, %rec1445 addrspace(4)* %tmp3, i32 1
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%_tmp1019 = icmp ult i16 %_tmp1013, 24
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br i1 %_tmp1019, label %bb4, label %bb16
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bb16:
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unreachable
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}
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