fd07b8f809
This is mostly NFC but some output does change due to consistently inserting into poison rather than undef and using i64 as the index type for inserts.
22 lines
939 B
LLVM
22 lines
939 B
LLVM
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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; This test checks that instcombine does not crash while invoking
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; maskIsAllOneOrUndef, maskIsAllZeroOrUndef, or possiblyDemandedEltsInMask.
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; CHECK-LABEL: novel_algorithm
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; CHECK: unreachable
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define void @novel_algorithm() {
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entry:
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%a = call <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr undef, i32 1, <vscale x 16 x i1> splat (i1 true), <vscale x 16 x i8> undef)
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%b = add <vscale x 16 x i8> undef, %a
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call void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8> %b, ptr undef, i32 1, <vscale x 16 x i1> splat (i1 true))
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unreachable
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}
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declare <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr, i32 immarg, <vscale x 16 x i1>, <vscale x 16 x i8>)
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declare void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8>, ptr, i32 immarg, <vscale x 16 x i1>)
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