Mercurial > hg > CbC > CbC_llvm

annotate test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll @ 123:923c9a525fb0

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rename IListTest.cpp
author mir3636
date Thu, 30 Nov 2017 18:21:27 +0900
parents 1172e4bd9c6f
children c2174574ed3a
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1 ; RUN: opt < %s -indvars -S | FileCheck %s
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2
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3 ; Provide legal integer types.
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4 target datalayout = "n8:16:32:64"
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5
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6 ; CHECK-NOT: sext
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7
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8 define i64 @test(i64* nocapture %first, i32 %count) nounwind readonly {
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9 entry:
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10 %t0 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]
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11 br i1 %t0, label %bb.nph, label %bb2
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12
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13 bb.nph: ; preds = %entry
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14 br label %bb
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15
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16 bb: ; preds = %bb1, %bb.nph
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17 %result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ] ; <i64> [#uses=1]
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18 %n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=2]
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19 %t1 = sext i32 %n.01 to i64 ; <i64> [#uses=1]
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20 %t2 = getelementptr i64, i64* %first, i64 %t1 ; <i64*> [#uses=1]
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21 %t3 = load i64, i64* %t2, align 8 ; <i64> [#uses=1]
0
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22 %t4 = lshr i64 %t3, 4 ; <i64> [#uses=1]
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23 %t5 = add i64 %t4, %result.02 ; <i64> [#uses=2]
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24 %t6 = add i32 %n.01, 1 ; <i32> [#uses=2]
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25 br label %bb1
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26
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27 bb1: ; preds = %bb
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28 %t7 = icmp slt i32 %t6, %count ; <i1> [#uses=1]
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29 br i1 %t7, label %bb, label %bb1.bb2_crit_edge
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30
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31 bb1.bb2_crit_edge: ; preds = %bb1
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32 %.lcssa = phi i64 [ %t5, %bb1 ] ; <i64> [#uses=1]
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33 br label %bb2
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34
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35 bb2: ; preds = %bb1.bb2_crit_edge, %entry
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36 %result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ] ; <i64> [#uses=1]
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37 ret i64 %result.0.lcssa
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38 }
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39
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40 define void @foo(i16 signext %N, i32* nocapture %P) nounwind {
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41 entry:
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42 %t0 = icmp sgt i16 %N, 0 ; <i1> [#uses=1]
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43 br i1 %t0, label %bb.nph, label %return
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44
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45 bb.nph: ; preds = %entry
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46 br label %bb
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47
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48 bb: ; preds = %bb1, %bb.nph
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49 %i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ] ; <i16> [#uses=2]
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50 %t1 = sext i16 %i.01 to i64 ; <i64> [#uses=1]
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51 %t2 = getelementptr i32, i32* %P, i64 %t1 ; <i32*> [#uses=1]
0
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52 store i32 123, i32* %t2, align 4
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53 %t3 = add i16 %i.01, 1 ; <i16> [#uses=2]
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54 br label %bb1
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55
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56 bb1: ; preds = %bb
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57 %t4 = icmp slt i16 %t3, %N ; <i1> [#uses=1]
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58 br i1 %t4, label %bb, label %bb1.return_crit_edge
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59
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60 bb1.return_crit_edge: ; preds = %bb1
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61 br label %return
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62
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63 return: ; preds = %bb1.return_crit_edge, %entry
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64 ret void
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65 }
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66
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67 ; Test cases from PR1301:
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68
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69 define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind {
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70 bb.thread:
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71 br label %bb
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72
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73 bb: ; preds = %bb, %bb.thread
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74 %i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
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75 %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
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76 %tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1]
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77 %tmp5 = getelementptr [21 x i32], [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
0
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78 store i32 0, i32* %tmp5
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79 %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
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80 %0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1]
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81 br i1 %0, label %return, label %bb
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82
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83 return: ; preds = %bb
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84 ret void
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85 }
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86
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87 define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind {
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88 bb.thread:
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89 br label %bb
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90
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91 bb: ; preds = %bb, %bb.thread
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92 %i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
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93 %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
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94 %tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1]
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95 %tmp5 = getelementptr [21 x i32], [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
0
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96 store i32 0, i32* %tmp5
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97 %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
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98 %0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1]
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99 br i1 %0, label %return, label %bb
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100
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101 return: ; preds = %bb
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102 ret void
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103 }