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annotate test/Transforms/InstCombine/constant-fold-gep.ll @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -instcombine -S | FileCheck %s
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2 target datalayout = "E-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
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3
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4 ; Constant folding should fix notionally out-of-bounds indices
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5 ; and add inbounds keywords.
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6
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7 %struct.X = type { [3 x i32], [3 x i32] }
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8
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9 @Y = internal global [3 x %struct.X] zeroinitializer
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10
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11 define void @frob() {
95
afa8332a0e37 LLVM 3.8
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12 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 0), align 16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 0), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 1), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 1), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 2), align 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 2), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 1, i64 0), align 4
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19 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 3), align 4
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20 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 1, i64 1), align 4
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21 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 4), align 4
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22 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 1, i64 2), align 4
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23 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 5), align 4
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24 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 0, i64 0), align 8
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25 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 6), align 4
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26 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 0, i64 1), align 4
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27 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 7), align 4
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28 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 0, i64 2), align 8
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29 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 8), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 1, i64 0), align 4
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31 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 9), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 1, i64 1), align 4
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33 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 10), align 4
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34 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 1, i64 2), align 4
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35 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 11), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
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36 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 0, i64 0), align 16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 12), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
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38 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 0, i64 1), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 13), align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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40 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 0, i64 2), align 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 14), align 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 1, i64 0), align 8
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43 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 15), align 8
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44 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 1, i64 1), align 8
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45 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 16), align 8
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46 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 1, i64 2), align 8
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47 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 17), align 8
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48 ; CHECK: store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 1, i64 0, i32 0, i64 0), align 8
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49 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 18), align 8
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50 ; CHECK: store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 2, i64 0, i32 0, i64 0), align 16
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51 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 36), align 8
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52 ; CHECK: store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 1, i64 0, i32 0, i64 1), align 8
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53 store i32 1, i32* getelementptr ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 19), align 8
0
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54 ret void
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55 }
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56
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57
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58 ; PR8883 - Constant fold exotic gep subtract
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59 ; CHECK-LABEL: @test2(
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60 @X = global [1000 x i8] zeroinitializer, align 16
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61
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62 define i64 @test2() {
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63 entry:
95
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64 %A = bitcast i8* getelementptr inbounds ([1000 x i8], [1000 x i8]* @X, i64 1, i64 0) to i8*
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65 %B = bitcast i8* getelementptr inbounds ([1000 x i8], [1000 x i8]* @X, i64 0, i64 0) to i8*
0
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66
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67 %B2 = ptrtoint i8* %B to i64
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68 %C = sub i64 0, %B2
95
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69 %D = getelementptr i8, i8* %A, i64 %C
0
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70 %E = ptrtoint i8* %D to i64
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71
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72 ret i64 %E
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73 ; CHECK: ret i64 1000
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74 }
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75
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76 @X_as1 = addrspace(1) global [1000 x i8] zeroinitializer, align 16
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77
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78 define i16 @test2_as1() {
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79 ; CHECK-LABEL: @test2_as1(
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80 ; CHECK: ret i16 1000
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81
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82 entry:
95
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83 %A = bitcast i8 addrspace(1)* getelementptr inbounds ([1000 x i8], [1000 x i8] addrspace(1)* @X_as1, i64 1, i64 0) to i8 addrspace(1)*
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84 %B = bitcast i8 addrspace(1)* getelementptr inbounds ([1000 x i8], [1000 x i8] addrspace(1)* @X_as1, i64 0, i64 0) to i8 addrspace(1)*
0
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parents:
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85
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86 %B2 = ptrtoint i8 addrspace(1)* %B to i16
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87 %C = sub i16 0, %B2
95
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88 %D = getelementptr i8, i8 addrspace(1)* %A, i16 %C
0
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89 %E = ptrtoint i8 addrspace(1)* %D to i16
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90
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91 ret i16 %E
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92 }