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annotate test/Verifier/invoke.ll @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 1172e4bd9c6f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
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2
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3 ; PR1042
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4 define i32 @foo() {
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5 ; CHECK: The unwind destination does not have an exception handling instruction
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6 %A = invoke i32 @foo( )
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7 to label %L unwind label %L ; <i32> [#uses=1]
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8 L: ; preds = %0, %0
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9 ret i32 %A
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10 }
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11
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12 ; PR1042
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13 define i32 @bar() {
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14 br i1 false, label %L1, label %L2
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15 L1: ; preds = %0
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16 %A = invoke i32 @bar( )
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17 to label %L unwind label %L ; <i32> [#uses=1]
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18 L2: ; preds = %0
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19 br label %L
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20 L: ; preds = %L2, %L1, %L1
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21 ; CHECK: The unwind destination does not have an exception handling instruction
0
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22 ret i32 %A
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23 }
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26 declare i32 @__gxx_personality_v0(...)
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27 declare void @llvm.donothing()
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28 declare void @llvm.trap()
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29 declare i8 @llvm.expect.i8(i8,i8)
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30 declare i32 @fn(i8 (i8, i8)*)
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32 define void @f1() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
0
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33 entry:
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34 ; OK
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35 invoke void @llvm.donothing()
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36 to label %conta unwind label %contb
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37
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38 conta:
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39 ret void
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41 contb:
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42 %0 = landingpad { i8*, i32 }
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43 filter [0 x i8*] zeroinitializer
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44 ret void
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45 }
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47 define i8 @f2() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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48 entry:
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49 ; CHECK: Cannot invoke an intrinsic other than donothing, patchpoint, statepoint, coro_resume or coro_destroy
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50 invoke void @llvm.trap()
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51 to label %cont unwind label %lpad
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52
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53 cont:
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54 ret i8 3
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55
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56 lpad:
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57 %0 = landingpad { i8*, i32 }
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58 filter [0 x i8*] zeroinitializer
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59 ret i8 2
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60 }
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62 define i32 @f3() {
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63 entry:
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64 ; CHECK: Cannot take the address of an intrinsic
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65 %call = call i32 @fn(i8 (i8, i8)* @llvm.expect.i8)
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66 ret i32 %call
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67 }
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69 define void @f4() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
0
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70 entry:
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71 invoke void @llvm.donothing()
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72 to label %cont unwind label %cont
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73
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74 cont:
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75 ; CHECK: Block containing LandingPadInst must be jumped to only by the unwind edge of an invoke.
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76 %0 = landingpad { i8*, i32 }
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77 filter [0 x i8*] zeroinitializer
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78 ret void
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79 }