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annotate test/Instrumentation/AddressSanitizer/instrument_global.ll @ 33:e4204d083e25

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LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 54457678186b
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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1 ; RUN: opt < %s -asan -asan-module -S | FileCheck %s
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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3 target triple = "x86_64-unknown-linux-gnu"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 @xxx = global i32 0, align 4
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5
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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6 ; If a global is present, __asan_[un]register_globals should be called from
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; module ctor/dtor
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK: llvm.global_ctors
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: llvm.global_dtors
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11
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 ; Test that we don't instrument global arrays with static initializer
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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13 ; indexed with constants in-bounds. But instrument all other cases.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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15 @GlobSt = global [10 x i32] zeroinitializer, align 16 ; static initializer
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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16 @GlobDy = global [10 x i32] zeroinitializer, align 16 ; dynamic initializer
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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17 @GlobEx = external global [10 x i32] , align 16 ; extern initializer
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 ; GlobSt is declared here, and has static initializer -- ok to optimize.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 define i32 @AccessGlobSt_0_2() sanitize_address {
95c75e76d11b LLVM 3.4
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21 entry:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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22 %0 = load i32* getelementptr inbounds ([10 x i32]* @GlobSt, i64 0, i64 2), align 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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23 ret i32 %0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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24 ; CHECK-LABEL: define i32 @AccessGlobSt_0_2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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25 ; CHECK-NOT: __asan_report
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 ; CHECK: ret i32 %0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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27 }
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28
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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29 ; GlobSt is accessed out of bounds -- can't optimize
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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30 define i32 @AccessGlobSt_0_12() sanitize_address {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 %0 = load i32* getelementptr inbounds ([10 x i32]* @GlobSt, i64 0, i64 12), align 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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33 ret i32 %0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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34 ; CHECK-LABEL: define i32 @AccessGlobSt_0_12
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 ; CHECK: __asan_report
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36 ; CHECK: ret i32
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parents:
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37 }
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38
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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39 ; GlobSt is accessed with Gep that has non-0 first index -- can't optimize.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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40 define i32 @AccessGlobSt_1_2() sanitize_address {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 entry:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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42 %0 = load i32* getelementptr inbounds ([10 x i32]* @GlobSt, i64 1, i64 2), align 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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43 ret i32 %0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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44 ; CHECK-LABEL: define i32 @AccessGlobSt_1_2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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45 ; CHECK: __asan_report
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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46 ; CHECK: ret i32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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47 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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48
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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49 ; GlobDy is declared with dynamic initializer -- can't optimize.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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50 define i32 @AccessGlobDy_0_2() sanitize_address {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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51 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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52 %0 = load i32* getelementptr inbounds ([10 x i32]* @GlobDy, i64 0, i64 2), align 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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53 ret i32 %0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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54 ; CHECK-LABEL: define i32 @AccessGlobDy_0_2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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55 ; CHECK: __asan_report
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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56 ; CHECK: ret i32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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57 }
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 ; GlobEx is an external global -- can't optimize.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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60 define i32 @AccessGlobEx_0_2() sanitize_address {
95c75e76d11b LLVM 3.4
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parents:
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61 entry:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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62 %0 = load i32* getelementptr inbounds ([10 x i32]* @GlobEx, i64 0, i64 2), align 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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63 ret i32 %0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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64 ; CHECK-LABEL: define i32 @AccessGlobEx_0_2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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65 ; CHECK: __asan_report
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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66 ; CHECK: ret i32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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67 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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68
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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69
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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70 !llvm.asan.dynamically_initialized_globals = !{!0}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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71 !0 = metadata !{[10 x i32]* @GlobDy}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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72
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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73 ; CHECK-LABEL: define internal void @asan.module_ctor
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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74 ; CHECK-NOT: ret
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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75 ; CHECK: call void @__asan_register_globals
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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76 ; CHECK: ret
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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 ; CHECK-LABEL: define internal void @asan.module_dtor
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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79 ; CHECK-NOT: ret
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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80 ; CHECK: call void @__asan_unregister_globals
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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81 ; CHECK: ret