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annotate llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll @ 236:c4bab56944e8 llvm-original

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LLVM 16
author kono
date Wed, 09 Nov 2022 17:45:10 +0900
parents 79ff65ed7e25
children 1f2b6ac9f198
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1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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2 ; RUN: opt -S -structurizecfg %s -o - | FileCheck %s
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3
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4 ; CHECK-NOT: br i1 true
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5
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6 define void @blam(i32 addrspace(1)* nocapture %arg, float %arg1, float %arg2) {
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7 ; CHECK-LABEL: @blam(
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8 ; CHECK-NEXT: bb:
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9 ; CHECK-NEXT: br label [[BB3:%.*]]
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10 ; CHECK: bb3:
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11 ; CHECK-NEXT: [[TMP:%.*]] = phi i64 [ 0, [[BB:%.*]] ], [ [[TMP2:%.*]], [[FLOW1:%.*]] ]
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12 ; CHECK-NEXT: [[TMP4:%.*]] = fcmp ult float [[ARG1:%.*]], 3.500000e+00
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13 ; CHECK-NEXT: [[TMP4_INV:%.*]] = xor i1 [[TMP4]], true
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14 ; CHECK-NEXT: br i1 [[TMP4_INV]], label [[BB5:%.*]], label [[FLOW:%.*]]
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15 ; CHECK: bb5:
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16 ; CHECK-NEXT: [[TMP6:%.*]] = fcmp uge float 0.000000e+00, [[ARG2:%.*]]
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17 ; CHECK-NEXT: br label [[FLOW]]
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18 ; CHECK: Flow:
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19 ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ 15, [[BB5]] ], [ undef, [[BB3]] ]
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20 ; CHECK-NEXT: [[TMP1:%.*]] = phi i1 [ [[TMP6]], [[BB5]] ], [ [[TMP4]], [[BB3]] ]
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21 ; CHECK-NEXT: br i1 [[TMP1]], label [[BB7:%.*]], label [[FLOW1]]
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22 ; CHECK: bb7:
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23 ; CHECK-NEXT: [[TMP8:%.*]] = add nuw nsw i64 [[TMP]], 1
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24 ; CHECK-NEXT: [[TMP9:%.*]] = icmp sge i64 [[TMP8]], 5
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25 ; CHECK-NEXT: br label [[FLOW1]]
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26 ; CHECK: Flow1:
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27 ; CHECK-NEXT: [[TMP2]] = phi i64 [ [[TMP8]], [[BB7]] ], [ undef, [[FLOW]] ]
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28 ; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ 255, [[BB7]] ], [ [[TMP0]], [[FLOW]] ]
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29 ; CHECK-NEXT: [[TMP4:%.*]] = phi i1 [ [[TMP9]], [[BB7]] ], [ true, [[FLOW]] ]
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30 ; CHECK-NEXT: br i1 [[TMP4]], label [[BB10:%.*]], label [[BB3]]
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31 ; CHECK: bb10:
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32 ; CHECK-NEXT: store i32 [[TMP3]], i32 addrspace(1)* [[ARG:%.*]], align 4
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33 ; CHECK-NEXT: ret void
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34 ;
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35 bb:
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36 br label %bb3
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37
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38 bb3: ; preds = %bb7, %bb
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39 %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
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40 %tmp4 = fcmp ult float %arg1, 3.500000e+00
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41 br i1 %tmp4, label %bb7, label %bb5
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42
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43 bb5: ; preds = %bb3
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44 %tmp6 = fcmp olt float 0.000000e+00, %arg2
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45 br i1 %tmp6, label %bb10, label %bb7
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46
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47
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48 bb7: ; preds = %bb5, %bb3
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49 %tmp8 = add nuw nsw i64 %tmp, 1
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50 %tmp9 = icmp slt i64 %tmp8, 5
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51 br i1 %tmp9, label %bb3, label %bb10
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52
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53
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54 bb10: ; preds = %bb7, %bb5
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55 %tmp11 = phi i32 [ 15, %bb5 ], [ 255, %bb7 ]
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56 store i32 %tmp11, i32 addrspace(1)* %arg, align 4
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57 ret void
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58 }