forked from OSchip/llvm-project
20 lines
873 B
LLVM
20 lines
873 B
LLVM
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; Test that SystemZTargetLowering::combineSTORE() does not crash due to not
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; checking if store is actually a truncating store before calling
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; combineTruncateExtract().
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;
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; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 < %s
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@g_348 = external dso_local unnamed_addr global [6 x [10 x i16]], align 2
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define void @main() local_unnamed_addr {
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bb:
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%tmp = load i16, i16* getelementptr inbounds ([6 x [10 x i16]], [6 x [10 x i16]]* @g_348, i64 0, i64 1, i64 6), align 2
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%tmp1 = xor i16 %tmp, 0
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%tmp2 = insertelement <2 x i16> <i16 undef, i16 0>, i16 %tmp1, i32 0
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%tmp3 = shufflevector <2 x i16> %tmp2, <2 x i16> undef, <2 x i32> <i32 1, i32 undef>
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%tmp4 = xor <2 x i16> %tmp2, %tmp3
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%tmp5 = extractelement <2 x i16> %tmp4, i32 0
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store i16 %tmp5, i16* getelementptr inbounds ([6 x [10 x i16]], [6 x [10 x i16]]* @g_348, i64 0, i64 1, i64 6), align 2
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unreachable
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}
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