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annotate test/Transforms/InstCombine/cast_ptr.ll @ 52:c22698ecb2a9

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modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 Jan 2014 21:01:33 +0900
parents 95c75e76d11b
children 60c9769439b8
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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1 ; Tests to make sure elimination of casts is working correctly
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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2 ; RUN: opt < %s -instcombine -S | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3
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4 target datalayout = "p:32:32-p1:32:32-p2:16:16"
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parents:
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5
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; This shouldn't convert to getelementptr because the relationship
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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7 ; between the arithmetic and the layout of allocated memory is
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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8 ; entirely unknown.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK-LABEL: @test1(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: ptrtoint
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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11 ; CHECK: add
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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12 ; CHECK: inttoptr
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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13 define i8* @test1(i8* %t) {
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parents:
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14 %tmpc = ptrtoint i8* %t to i32 ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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15 %tmpa = add i32 %tmpc, 32 ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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16 %tv = inttoptr i32 %tmpa to i8* ; <i8*> [#uses=1]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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17 ret i8* %tv
95c75e76d11b LLVM 3.4
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18 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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19
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 ; These casts should be folded away.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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21 ; CHECK-LABEL: @test2(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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22 ; CHECK: icmp eq i8* %a, %b
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23 define i1 @test2(i8* %a, i8* %b) {
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parents:
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24 %tmpa = ptrtoint i8* %a to i32 ; <i32> [#uses=1]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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25 %tmpb = ptrtoint i8* %b to i32 ; <i32> [#uses=1]
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parents:
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26 %r = icmp eq i32 %tmpa, %tmpb ; <i1> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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27 ret i1 %r
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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29
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30 ; These casts should be folded away.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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31 ; CHECK-LABEL: @test2_as2_same_int(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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32 ; CHECK: icmp eq i8 addrspace(2)* %a, %b
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parents:
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33 define i1 @test2_as2_same_int(i8 addrspace(2)* %a, i8 addrspace(2)* %b) {
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parents:
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34 %tmpa = ptrtoint i8 addrspace(2)* %a to i16
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parents:
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35 %tmpb = ptrtoint i8 addrspace(2)* %b to i16
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parents:
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36 %r = icmp eq i16 %tmpa, %tmpb
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 ret i1 %r
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38 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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39
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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40 ; These casts should be folded away.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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41 ; CHECK-LABEL: @test2_as2_larger(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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42 ; CHECK: icmp eq i8 addrspace(2)* %a, %b
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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43 define i1 @test2_as2_larger(i8 addrspace(2)* %a, i8 addrspace(2)* %b) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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44 %tmpa = ptrtoint i8 addrspace(2)* %a to i32
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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45 %tmpb = ptrtoint i8 addrspace(2)* %b to i32
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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46 %r = icmp eq i32 %tmpa, %tmpb
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47 ret i1 %r
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parents:
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48 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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49
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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50 ; These casts should also be folded away.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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51 ; CHECK-LABEL: @test3(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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52 ; CHECK: icmp eq i8* %a, @global
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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53 @global = global i8 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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54 define i1 @test3(i8* %a) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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55 %tmpa = ptrtoint i8* %a to i32
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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56 %r = icmp eq i32 %tmpa, ptrtoint (i8* @global to i32)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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57 ret i1 %r
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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58 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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59
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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60 define i1 @test4(i32 %A) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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61 %B = inttoptr i32 %A to i8*
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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62 %C = icmp eq i8* %B, null
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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63 ret i1 %C
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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64 ; CHECK-LABEL: @test4(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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65 ; CHECK-NEXT: %C = icmp eq i32 %A, 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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66 ; CHECK-NEXT: ret i1 %C
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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67 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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68
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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69 define i1 @test4_as2(i16 %A) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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70 ; CHECK-LABEL: @test4_as2(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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71 ; CHECK-NEXT: %C = icmp eq i16 %A, 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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72 ; CHECK-NEXT: ret i1 %C
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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73 %B = inttoptr i16 %A to i8 addrspace(2)*
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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74 %C = icmp eq i8 addrspace(2)* %B, null
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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75 ret i1 %C
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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76 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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77
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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78
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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79 ; Pulling the cast out of the load allows us to eliminate the load, and then
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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80 ; the whole array.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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81
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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82 %op = type { float }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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83 %unop = type { i32 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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84 @Array = internal constant [1 x %op* (%op*)*] [ %op* (%op*)* @foo ] ; <[1 x %op* (%op*)*]*> [#uses=1]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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85
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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86 declare %op* @foo(%op* %X)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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87
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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88 define %unop* @test5(%op* %O) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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89 %tmp = load %unop* (%op*)** bitcast ([1 x %op* (%op*)*]* @Array to %unop* (%op*)**); <%unop* (%op*)*> [#uses=1]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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90 %tmp.2 = call %unop* %tmp( %op* %O ) ; <%unop*> [#uses=1]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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91 ret %unop* %tmp.2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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92 ; CHECK-LABEL: @test5(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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93 ; CHECK: call %op* @foo(%op* %O)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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94 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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95
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parents:
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96
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parents:
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97
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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98 ; InstCombine can not 'load (cast P)' -> cast (load P)' if the cast changes
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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99 ; the address space.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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100
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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101 define i8 @test6(i8 addrspace(1)* %source) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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102 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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103 %arrayidx223 = addrspacecast i8 addrspace(1)* %source to i8*
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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104 %tmp4 = load i8* %arrayidx223
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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105 ret i8 %tmp4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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106 ; CHECK-LABEL: @test6(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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107 ; CHECK: load i8* %arrayidx223
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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108 }