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annotate test/CodeGen/X86/shift-avx2-crash.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
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1 ; RUN: llc < %s -mcpu=core-avx2 > /dev/null
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2 ; This test crashed on variable shift creation on AVX2
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4 target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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5 target triple = "i386-unknown-linux-gnu"
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7 define void @f_f(float* noalias nocapture %RET, float %aFOO, i32 %div) {
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8 allocas:
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9 %__idiv_table_u32_offset10_offset_load.i = add i64 0, -2
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10 br label %if_then18.i
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12 if_then18.i:
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13 %aFOO_load_to_uint32 = fptoui float %aFOO to i32
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14 %aFOO_load_to_uint32_broadcast_init = insertelement <8 x i32> undef, i32 %aFOO_load_to_uint32, i32 0
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15 %aFOO_load_to_uint32_broadcast = shufflevector <8 x i32> %aFOO_load_to_uint32_broadcast_init, <8 x i32> undef, <8 x i32> zeroinitializer
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17 %multiplier_load_broadcast_init.i = insertelement <8 x i64> undef, i64 2, i32 0
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18 %multiplier_load_broadcast.i = shufflevector <8 x i64> %multiplier_load_broadcast_init.i, <8 x i64> undef, <8 x i32> zeroinitializer
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19 %numerator_load_to_uint64.i = zext <8 x i32> %aFOO_load_to_uint32_broadcast to <8 x i64>
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21 ;if replace '%__idiv_table_u32_offset10_offset_load.i' with '-2' or remove 'if_then18.i' label the error disappears
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22 %add__shift_load21.i = add i64 %__idiv_table_u32_offset10_offset_load.i, 32
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23 %add__shift_load21_broadcast_init.i = insertelement <8 x i64> undef, i64 %add__shift_load21.i, i32 0
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24 %add__shift_load21_broadcast.i = shufflevector <8 x i64> %add__shift_load21_broadcast_init.i, <8 x i64> undef, <8 x i32> zeroinitializer
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26 %mul_val_load_mult_load.i = mul <8 x i64> %numerator_load_to_uint64.i, %multiplier_load_broadcast.i
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27 %bitop22.i = lshr <8 x i64> %mul_val_load_mult_load.i, %add__shift_load21_broadcast.i
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28 %bitop22_to_uint32.i = trunc <8 x i64> %bitop22.i to <8 x i32>
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29 br label %__fast_idiv___UM_vyuunu.exit
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32 __fast_idiv___UM_vyuunu.exit:
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33 %calltmp_to_float = uitofp <8 x i32> %bitop22_to_uint32.i to <8 x float>
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34 %ptrcast = bitcast float* %RET to <8 x float>*
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35 store <8 x float> %calltmp_to_float, <8 x float>* %ptrcast, align 4
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36 ret void
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37 }
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