Mercurial > hg > CbC > CbC_llvm

annotate test/CodeGen/X86/memcmp.ll @ 120:1172e4bd9c6f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents afa8332a0e37
children 803732b1fca8
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>
parents:
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1 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
95c75e76d11b LLVM 3.4
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2 ; RUN: llc < %s -disable-simplify-libcalls -mtriple=x86_64-linux | FileCheck %s --check-prefix=NOBUILTIN
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3 ; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
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4
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5 ; This tests codegen time inlining/optimization of memcmp
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6 ; rdar://6480398
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7
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8 @.str = private constant [23 x i8] c"fooooooooooooooooooooo\00", align 1 ; <[23 x i8]*> [#uses=1]
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9
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10 declare i32 @memcmp(...)
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11
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12 define void @memcmp2(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
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13 entry:
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14 %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 2) nounwind ; <i32> [#uses=1]
0
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parents:
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15 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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parents:
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16 br i1 %1, label %return, label %bb
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17
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18 bb: ; preds = %entry
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19 store i32 4, i32* %P, align 4
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20 ret void
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21
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22 return: ; preds = %entry
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23 ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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24 ; CHECK-LABEL: memcmp2:
33
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
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25 ; CHECK: movzwl
120
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26 ; CHECK-NEXT: cmpw
0
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27 ; NOBUILTIN-LABEL: memcmp2:
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28 ; NOBUILTIN: callq
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29 }
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31 define void @memcmp2a(i8* %X, i32* nocapture %P) nounwind {
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32 entry:
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33 %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 2) nounwind ; <i32> [#uses=1]
0
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34 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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parents:
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35 br i1 %1, label %return, label %bb
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36
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37 bb: ; preds = %entry
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parents:
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38 store i32 4, i32* %P, align 4
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39 ret void
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parents:
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40
95c75e76d11b LLVM 3.4
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41 return: ; preds = %entry
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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42 ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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43 ; CHECK-LABEL: memcmp2a:
33
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parents: 0
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44 ; CHECK: movzwl
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parents: 0
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45 ; CHECK-NEXT: cmpl $28527,
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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46 }
95c75e76d11b LLVM 3.4
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47
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48 define void @memcmp2nb(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
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49 entry:
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50 %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin ; <i32> [#uses=1]
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51 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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52 br i1 %1, label %return, label %bb
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53
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54 bb: ; preds = %entry
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55 store i32 4, i32* %P, align 4
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56 ret void
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57
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58 return: ; preds = %entry
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59 ret void
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60 ; CHECK-LABEL: memcmp2nb:
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61 ; CHECK: callq
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62 }
0
95c75e76d11b LLVM 3.4
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63
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64 define void @memcmp4(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
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65 entry:
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66 %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 4) nounwind ; <i32> [#uses=1]
0
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67 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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68 br i1 %1, label %return, label %bb
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69
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70 bb: ; preds = %entry
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71 store i32 4, i32* %P, align 4
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parents:
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72 ret void
95c75e76d11b LLVM 3.4
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parents:
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73
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parents:
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74 return: ; preds = %entry
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75 ret void
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parents:
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76 ; CHECK-LABEL: memcmp4:
33
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77 ; CHECK: movl
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78 ; CHECK-NEXT: cmpl
0
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79 }
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80
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81 define void @memcmp4a(i8* %X, i32* nocapture %P) nounwind {
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82 entry:
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83 %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 4) nounwind ; <i32> [#uses=1]
0
95c75e76d11b LLVM 3.4
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84 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
95c75e76d11b LLVM 3.4
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parents:
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85 br i1 %1, label %return, label %bb
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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86
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87 bb: ; preds = %entry
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88 store i32 4, i32* %P, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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89 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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90
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91 return: ; preds = %entry
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92 ret void
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parents:
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93 ; CHECK-LABEL: memcmp4a:
33
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parents: 0
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94 ; CHECK: cmpl $1869573999,
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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95 }
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96
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97 define void @memcmp8(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
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98 entry:
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99 %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 8) nounwind ; <i32> [#uses=1]
0
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100 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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parents:
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101 br i1 %1, label %return, label %bb
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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102
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parents:
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103 bb: ; preds = %entry
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parents:
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104 store i32 4, i32* %P, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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105 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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106
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parents:
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107 return: ; preds = %entry
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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108 ret void
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parents:
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109 ; CHECK-LABEL: memcmp8:
33
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110 ; CHECK: movq
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parents: 0
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111 ; CHECK: cmpq
0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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112 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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113
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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114 define void @memcmp8a(i8* %X, i32* nocapture %P) nounwind {
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115 entry:
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parents: 33
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116 %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0), i32 8) nounwind ; <i32> [#uses=1]
0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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117 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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parents:
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118 br i1 %1, label %return, label %bb
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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119
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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120 bb: ; preds = %entry
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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121 store i32 4, i32* %P, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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122 ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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123
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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124 return: ; preds = %entry
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parents:
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125 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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126 ; CHECK-LABEL: memcmp8a:
33
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127 ; CHECK: movabsq $8029759185026510694,
e4204d083e25 LLVM 3.5
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parents: 0
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128 ; CHECK: cmpq
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