Mercurial > hg > CbC > CbC_llvm

annotate test/Analysis/BasicAA/gep-alias.ll @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 ; RUN: opt < %s -basicaa -gvn -instcombine -S 2>&1 | FileCheck %s
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2
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3 target datalayout = "e-p:32:32:32-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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4
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5 ; Make sure that basicaa thinks R and r are must aliases.
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6 define i32 @test1(i8 * %P) {
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7 entry:
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8 %Q = bitcast i8* %P to {i32, i32}*
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9 %R = getelementptr {i32, i32}, {i32, i32}* %Q, i32 0, i32 1
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10 %S = load i32, i32* %R
0
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11
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12 %q = bitcast i8* %P to {i32, i32}*
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13 %r = getelementptr {i32, i32}, {i32, i32}* %q, i32 0, i32 1
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14 %s = load i32, i32* %r
0
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15
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16 %t = sub i32 %S, %s
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17 ret i32 %t
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18 ; CHECK-LABEL: @test1(
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19 ; CHECK: ret i32 0
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20 }
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21
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22 define i32 @test2(i8 * %P) {
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23 entry:
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24 %Q = bitcast i8* %P to {i32, i32, i32}*
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25 %R = getelementptr {i32, i32, i32}, {i32, i32, i32}* %Q, i32 0, i32 1
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26 %S = load i32, i32* %R
0
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27
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28 %r = getelementptr {i32, i32, i32}, {i32, i32, i32}* %Q, i32 0, i32 2
0
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29 store i32 42, i32* %r
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30
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31 %s = load i32, i32* %R
0
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32
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33 %t = sub i32 %S, %s
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34 ret i32 %t
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35 ; CHECK-LABEL: @test2(
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36 ; CHECK: ret i32 0
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37 }
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38
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39
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40 ; This was a miscompilation.
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41 define i32 @test3({float, {i32, i32, i32}}* %P) {
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42 entry:
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43 %P2 = getelementptr {float, {i32, i32, i32}}, {float, {i32, i32, i32}}* %P, i32 0, i32 1
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44 %R = getelementptr {i32, i32, i32}, {i32, i32, i32}* %P2, i32 0, i32 1
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45 %S = load i32, i32* %R
0
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46
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47 %r = getelementptr {i32, i32, i32}, {i32, i32, i32}* %P2, i32 0, i32 2
0
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48 store i32 42, i32* %r
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49
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50 %s = load i32, i32* %R
0
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51
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52 %t = sub i32 %S, %s
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53 ret i32 %t
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54 ; CHECK-LABEL: @test3(
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55 ; CHECK: ret i32 0
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56 }
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57
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58
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59 ;; This is reduced from the SmallPtrSet constructor.
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60 %SmallPtrSetImpl = type { i8**, i32, i32, i32, [1 x i8*] }
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61 %SmallPtrSet64 = type { %SmallPtrSetImpl, [64 x i8*] }
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62
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63 define i32 @test4(%SmallPtrSet64* %P) {
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64 entry:
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65 %tmp2 = getelementptr inbounds %SmallPtrSet64, %SmallPtrSet64* %P, i64 0, i32 0, i32 1
0
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66 store i32 64, i32* %tmp2, align 8
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67 %tmp3 = getelementptr inbounds %SmallPtrSet64, %SmallPtrSet64* %P, i64 0, i32 0, i32 4, i64 64
0
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68 store i8* null, i8** %tmp3, align 8
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69 %tmp4 = load i32, i32* %tmp2, align 8
0
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70 ret i32 %tmp4
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71 ; CHECK-LABEL: @test4(
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72 ; CHECK: ret i32 64
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73 }
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74
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75 ; P[i] != p[i+1]
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76 define i32 @test5(i32* %p, i64 %i) {
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77 %pi = getelementptr i32, i32* %p, i64 %i
0
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78 %i.next = add i64 %i, 1
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79 %pi.next = getelementptr i32, i32* %p, i64 %i.next
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80 %x = load i32, i32* %pi
0
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81 store i32 42, i32* %pi.next
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82 %y = load i32, i32* %pi
0
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83 %z = sub i32 %x, %y
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84 ret i32 %z
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85 ; CHECK-LABEL: @test5(
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86 ; CHECK: ret i32 0
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87 }
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88
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89 define i32 @test5_as1_smaller_size(i32 addrspace(1)* %p, i8 %i) {
95
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90 %pi = getelementptr i32, i32 addrspace(1)* %p, i8 %i
0
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91 %i.next = add i8 %i, 1
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92 %pi.next = getelementptr i32, i32 addrspace(1)* %p, i8 %i.next
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93 %x = load i32, i32 addrspace(1)* %pi
0
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94 store i32 42, i32 addrspace(1)* %pi.next
95
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95 %y = load i32, i32 addrspace(1)* %pi
0
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96 %z = sub i32 %x, %y
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97 ret i32 %z
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98 ; CHECK-LABEL: @test5_as1_smaller_size(
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99 ; CHECK: sext
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100 ; CHECK: ret i32 0
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101 }
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102
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103 define i32 @test5_as1_same_size(i32 addrspace(1)* %p, i16 %i) {
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104 %pi = getelementptr i32, i32 addrspace(1)* %p, i16 %i
0
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105 %i.next = add i16 %i, 1
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106 %pi.next = getelementptr i32, i32 addrspace(1)* %p, i16 %i.next
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107 %x = load i32, i32 addrspace(1)* %pi
0
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108 store i32 42, i32 addrspace(1)* %pi.next
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109 %y = load i32, i32 addrspace(1)* %pi
0
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110 %z = sub i32 %x, %y
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111 ret i32 %z
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112 ; CHECK-LABEL: @test5_as1_same_size(
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113 ; CHECK: ret i32 0
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114 }
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115
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116 ; P[i] != p[(i*4)|1]
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parents:
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117 define i32 @test6(i32* %p, i64 %i1) {
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118 %i = shl i64 %i1, 2
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119 %pi = getelementptr i32, i32* %p, i64 %i
0
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parents:
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120 %i.next = or i64 %i, 1
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
121 %pi.next = getelementptr i32, i32* %p, i64 %i.next
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
122 %x = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123 store i32 42, i32* %pi.next
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
124 %y = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125 %z = sub i32 %x, %y
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 ret i32 %z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 ; CHECK-LABEL: @test6(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 ; CHECK: ret i32 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 ; P[1] != P[i*4]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 define i32 @test7(i32* %p, i64 %i) {
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
133 %pi = getelementptr i32, i32* %p, i64 1
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 %i.next = shl i64 %i, 2
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
135 %pi.next = getelementptr i32, i32* %p, i64 %i.next
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
136 %x = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 store i32 42, i32* %pi.next
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
138 %y = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 %z = sub i32 %x, %y
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 ret i32 %z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 ; CHECK-LABEL: @test7(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 ; CHECK: ret i32 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 ; P[zext(i)] != p[zext(i+1)]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 ; PR1143
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 define i32 @test8(i32* %p, i16 %i) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 %i1 = zext i16 %i to i32
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
149 %pi = getelementptr i32, i32* %p, i32 %i1
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 %i.next = add i16 %i, 1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 %i.next2 = zext i16 %i.next to i32
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
152 %pi.next = getelementptr i32, i32* %p, i32 %i.next2
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
153 %x = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 store i32 42, i32* %pi.next
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
155 %y = load i32, i32* %pi
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 %z = sub i32 %x, %y
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 ret i32 %z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 ; CHECK-LABEL: @test8(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 ; CHECK: ret i32 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 define i8 @test9([4 x i8] *%P, i32 %i, i32 %j) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 %i2 = shl i32 %i, 2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 %i3 = add i32 %i2, 1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 ; P2 = P + 1 + 4*i
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
166 %P2 = getelementptr [4 x i8], [4 x i8] *%P, i32 0, i32 %i3
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 %j2 = shl i32 %j, 2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 ; P4 = P + 4*j
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
171 %P4 = getelementptr [4 x i8], [4 x i8]* %P, i32 0, i32 %j2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
173 %x = load i8, i8* %P2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 store i8 42, i8* %P4
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
175 %y = load i8, i8* %P2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 %z = sub i8 %x, %y
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 ret i8 %z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 ; CHECK-LABEL: @test9(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 ; CHECK: ret i8 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 define i8 @test10([4 x i8] *%P, i32 %i) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 %i2 = shl i32 %i, 2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 %i3 = add i32 %i2, 4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 ; P2 = P + 4 + 4*i
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
186 %P2 = getelementptr [4 x i8], [4 x i8] *%P, i32 0, i32 %i3
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 ; P4 = P + 4*i
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
189 %P4 = getelementptr [4 x i8], [4 x i8]* %P, i32 0, i32 %i2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
191 %x = load i8, i8* %P2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 store i8 42, i8* %P4
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
193 %y = load i8, i8* %P2
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 %z = sub i8 %x, %y
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 ret i8 %z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 ; CHECK-LABEL: @test10(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 ; CHECK: ret i8 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 ; (This was a miscompilation.)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 define float @test11(i32 %indvar, [4 x [2 x float]]* %q) nounwind ssp {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 %tmp = mul i32 %indvar, -1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 %dec = add i32 %tmp, 3
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
204 %scevgep = getelementptr [4 x [2 x float]], [4 x [2 x float]]* %q, i32 0, i32 %dec
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 %scevgep35 = bitcast [2 x float]* %scevgep to i64*
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
206 %arrayidx28 = getelementptr inbounds [4 x [2 x float]], [4 x [2 x float]]* %q, i32 0, i32 0
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
207 %y29 = getelementptr inbounds [2 x float], [2 x float]* %arrayidx28, i32 0, i32 1
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 store float 1.0, float* %y29, align 4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 store i64 0, i64* %scevgep35, align 4
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
210 %tmp30 = load float, float* %y29, align 4
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 ret float %tmp30
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 ; CHECK-LABEL: @test11(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 ; CHECK: ret float %tmp30
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 ; (This was a miscompilation.)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 define i32 @test12(i32 %x, i32 %y, i8* %p) nounwind {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 %a = bitcast i8* %p to [13 x i8]*
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
219 %b = getelementptr [13 x i8], [13 x i8]* %a, i32 %x
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 %c = bitcast [13 x i8]* %b to [15 x i8]*
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
221 %d = getelementptr [15 x i8], [15 x i8]* %c, i32 %y, i32 8
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 %castd = bitcast i8* %d to i32*
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 %castp = bitcast i8* %p to i32*
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 store i32 1, i32* %castp
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 store i32 0, i32* %castd
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
226 %r = load i32, i32* %castp
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 ret i32 %r
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 ; CHECK-LABEL: @test12(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 ; CHECK: ret i32 %r
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 }
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
231
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
232 @P = internal global i32 715827882, align 4
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
233 @Q = internal global i32 715827883, align 4
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
234 @.str = private unnamed_addr constant [7 x i8] c"%u %u\0A\00", align 1
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
235
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
236 ; Make sure we recognize that u[0] and u[Global + Cst] may alias
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
237 ; when the addition has wrapping semantic.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
238 ; PR24468.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
239 ; CHECK-LABEL: @test13(
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
240 ; Make sure the stores appear before the related loads.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
241 ; CHECK: store i8 42,
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
242 ; CHECK: store i8 99,
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
243 ; Find the loads and make sure they are used in the arguments to the printf.
afa8332a0e37 LLVM 3.8
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244 ; CHECK: [[T0ADDR:%[a-zA-Z0-9_]+]] = getelementptr inbounds [3 x i8], [3 x i8]* %t, i32 0, i32 0
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245 ; CHECK: [[T0:%[a-zA-Z0-9_]+]] = load i8, i8* [[T0ADDR]], align 1
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246 ; CHECK: [[T0ARG:%[a-zA-Z0-9_]+]] = zext i8 [[T0]] to i32
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247 ; CHECK: [[U0ADDR:%[a-zA-Z0-9_]+]] = getelementptr inbounds [3 x i8], [3 x i8]* %u, i32 0, i32 0
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248 ; CHECK: [[U0:%[a-zA-Z0-9_]+]] = load i8, i8* [[U0ADDR]], align 1
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249 ; CHECK: [[U0ARG:%[a-zA-Z0-9_]+]] = zext i8 [[U0]] to i32
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250 ; CHECK: call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0), i32 [[T0ARG]], i32 [[U0ARG]])
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251 ; CHECK: ret
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252 define void @test13() {
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253 entry:
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254 %t = alloca [3 x i8], align 1
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255 %u = alloca [3 x i8], align 1
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256 %tmp = load i32, i32* @P, align 4
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257 %tmp1 = mul i32 %tmp, 3
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258 %mul = add i32 %tmp1, -2147483646
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259 %idxprom = zext i32 %mul to i64
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260 %arrayidx = getelementptr inbounds [3 x i8], [3 x i8]* %t, i64 0, i64 %idxprom
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261 store i8 42, i8* %arrayidx, align 1
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262 %tmp2 = load i32, i32* @Q, align 4
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263 %tmp3 = mul i32 %tmp2, 3
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264 %mul2 = add i32 %tmp3, 2147483647
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265 %idxprom3 = zext i32 %mul2 to i64
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266 %arrayidx4 = getelementptr inbounds [3 x i8], [3 x i8]* %u, i64 0, i64 %idxprom3
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267 store i8 99, i8* %arrayidx4, align 1
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268 %arrayidx5 = getelementptr inbounds [3 x i8], [3 x i8]* %t, i64 0, i64 0
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269 %tmp4 = load i8, i8* %arrayidx5, align 1
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270 %conv = zext i8 %tmp4 to i32
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271 %arrayidx6 = getelementptr inbounds [3 x i8], [3 x i8]* %u, i64 0, i64 0
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272 %tmp5 = load i8, i8* %arrayidx6, align 1
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273 %conv7 = zext i8 %tmp5 to i32
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274 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32 %conv, i32 %conv7)
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275 ret void
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276 }
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277
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278 declare i32 @printf(i8*, ...)