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annotate test/CodeGen/X86/win32-seh-catchpad-realign.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents
children 7d135dc70f03
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95
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; The aligned alloca means that we have to realign the stack, which forces the
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 ; use of ESI to address local variables.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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7 target triple = "i686--windows-msvc"
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8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; Function Attrs: nounwind
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 define void @realigned_try() personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
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11 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %x = alloca [4 x i32], align 16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 %arrayidx = getelementptr inbounds [4 x i32], [4 x i32]* %x, i32 0, i32 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 invoke void @useit(i32* %arrayidx)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 to label %__try.cont unwind label %catch.dispatch
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16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 catch.dispatch: ; preds = %entry
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 %pad = catchpad [i8* bitcast (i32 ()* @"\01?filt$0@0@realigned_try@@" to i8*)]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 to label %__except.ret unwind label %catchendblock
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20
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 __except.ret: ; preds = %catch.dispatch
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 catchret %pad to label %__try.cont
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23
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24 __try.cont: ; preds = %entry, %__except.ret
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 ret void
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26
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 catchendblock: ; preds = %catch.dispatch
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 catchendpad unwind to caller
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 }
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30
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31 ; Function Attrs: nounwind argmemonly
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32
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33 ; Function Attrs: nounwind
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 define internal i32 @"\01?filt$0@0@realigned_try@@"() {
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35 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36 ret i32 1
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37 }
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38
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 declare void @useit(i32*)
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40
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41 declare i32 @_except_handler3(...)
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42
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 ; CHECK-LABEL: _realigned_try:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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44 ; Prologue
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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45 ; CHECK: pushl %ebp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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46 ; CHECK: movl %esp, %ebp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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47 ; CHECK: pushl %ebx
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 ; CHECK: pushl %edi
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 ; CHECK: pushl %esi
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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50 ; CHECK: andl $-16, %esp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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51 ; CHECK: subl $64, %esp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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52 ; CHECK: movl %esp, %esi
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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53 ; Spill EBP
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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54 ; CHECK: movl %ebp, 12(%esi)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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55 ; Spill ESP
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56 ; CHECK: movl %esp, 36(%esi)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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57 ; The state is stored at ESI+56, the end of the node is ESI+60.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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58 ; CHECK: movl $-1, 56(%esi)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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59 ;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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60 ; __try
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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61 ; CHECK: calll _useit
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62 ;
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63 ; Epilogue
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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64 ; CHECK: LBB0_1: # %__try.cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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65 ; CHECK: leal -12(%ebp), %esp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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66 ; CHECK: popl %esi
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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67 ; CHECK: popl %edi
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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68 ; CHECK: popl %ebx
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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69 ; CHECK: popl %ebp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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70 ; CHECK: retl
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71 ;
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72 ; CHECK: LBB0_2: # %catch.dispatch
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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73 ; Restore ESP
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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74 ; CHECK: movl -24(%ebp), %esp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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75 ; Recompute ESI by subtracting 60 from the end of the registration node.
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76 ; CHECK: leal -60(%ebp), %esi
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77 ; Restore EBP
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78 ; CHECK: movl 12(%esi), %ebp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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79 ; Rejoin normal control flow
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80 ; CHECK: jmp LBB0_1