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annotate test/CodeGen/Thumb2/thumb2-branch.ll @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children
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77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 -arm-atomic-cfg-tidy=0 | FileCheck %s
0
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2 ; If-conversion defeats the purpose of this test, which is to check
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3 ; conditional branch generation, so a call to make sure it doesn't
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4 ; happen and we get actual branches.
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5
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6 declare void @foo()
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7
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8 define i32 @f1(i32 %a, i32 %b, i32* %v) {
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9 entry:
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10 ; CHECK-LABEL: f1:
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11 ; CHECK: bne LBB
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12 %tmp = icmp eq i32 %a, %b ; <i1> [#uses=1]
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13 br i1 %tmp, label %cond_true, label %return
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14
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15 cond_true: ; preds = %entry
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16 call void @foo()
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17 store i32 0, i32* %v
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18 ret i32 0
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19
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20 return: ; preds = %entry
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21 call void @foo()
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22 ret i32 1
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23 }
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24
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25 define i32 @f2(i32 %a, i32 %b, i32* %v) {
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26 entry:
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27 ; CHECK-LABEL: f2:
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28 ; CHECK: bge LBB
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29 %tmp = icmp slt i32 %a, %b ; <i1> [#uses=1]
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30 br i1 %tmp, label %cond_true, label %return
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31
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32 cond_true: ; preds = %entry
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33 call void @foo()
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34 store i32 0, i32* %v
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35 ret i32 0
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36
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37 return: ; preds = %entry
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38 call void @foo()
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39 ret i32 1
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40 }
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41
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42 define i32 @f3(i32 %a, i32 %b, i32* %v) {
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43 entry:
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44 ; CHECK-LABEL: f3:
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45 ; CHECK: bhs LBB
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46 %tmp = icmp ult i32 %a, %b ; <i1> [#uses=1]
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47 br i1 %tmp, label %cond_true, label %return
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48
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49 cond_true: ; preds = %entry
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50 call void @foo()
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51 store i32 0, i32* %v
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52 ret i32 0
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53
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54 return: ; preds = %entry
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55 call void @foo()
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56 ret i32 1
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57 }
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58
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59 define i32 @f4(i32 %a, i32 %b, i32* %v) {
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60 entry:
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61 ; CHECK-LABEL: f4:
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62 ; CHECK: blo LBB
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63 %tmp = icmp uge i32 %a, %b ; <i1> [#uses=1]
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64 br i1 %tmp, label %cond_true, label %return
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65
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66 cond_true: ; preds = %entry
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67 call void @foo()
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68 store i32 0, i32* %v
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69 ret i32 0
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70
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71 return: ; preds = %entry
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72 call void @foo()
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73 ret i32 1
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74 }