fcfc31fffb
Conversion was performed (without manual fixup) using: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
22 lines
1.2 KiB
LLVM
22 lines
1.2 KiB
LLVM
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
|
|
target triple = "aarch64-unknown-linux-gnu"
|
|
|
|
; This test checks that instcombine does not crash while invoking
|
|
; maskIsAllOneOrUndef, maskIsAllZeroOrUndef, or possiblyDemandedEltsInMask.
|
|
|
|
; CHECK-LABEL: novel_algorithm
|
|
; CHECK: unreachable
|
|
define void @novel_algorithm() {
|
|
entry:
|
|
%a = call <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr undef, i32 1, <vscale x 16 x i1> shufflevector (<vscale x 16 x i1> insertelement (<vscale x 16 x i1> undef, i1 true, i32 0), <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer), <vscale x 16 x i8> undef)
|
|
%b = add <vscale x 16 x i8> undef, %a
|
|
call void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8> %b, ptr undef, i32 1, <vscale x 16 x i1> shufflevector (<vscale x 16 x i1> insertelement (<vscale x 16 x i1> undef, i1 true, i32 0), <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer))
|
|
unreachable
|
|
}
|
|
|
|
declare <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr, i32 immarg, <vscale x 16 x i1>, <vscale x 16 x i8>)
|
|
|
|
declare void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8>, ptr, i32 immarg, <vscale x 16 x i1>)
|