1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt -newgvn %s -S | FileCheck %s 3 4 @b = external global i32, align 4 5 @a = external global i32, align 4 6 define void @tinkywinky() { 7 ; CHECK-LABEL: @tinkywinky( 8 ; CHECK-NEXT: entry: 9 ; CHECK-NEXT: br label [[L1:%.*]] 10 ; CHECK: l1.loopexit: 11 ; CHECK-NEXT: br label [[L1]] 12 ; CHECK: l1: 13 ; CHECK-NEXT: [[F_0:%.*]] = phi i32* [ @b, [[ENTRY:%.*]] ], [ @a, [[L1_LOOPEXIT:%.*]] ] 14 ; CHECK-NEXT: br label [[FOR_COND:%.*]] 15 ; CHECK: for.cond.loopexit: 16 ; CHECK-NEXT: store i8 undef, i8* null 17 ; CHECK-NEXT: br label [[FOR_COND]] 18 ; CHECK: for.cond: 19 ; CHECK-NEXT: br i1 undef, label [[FOR_END14:%.*]], label [[FOR_COND1_PREHEADER:%.*]] 20 ; CHECK: for.cond1.preheader: 21 ; CHECK-NEXT: br label [[FOR_BODY3:%.*]] 22 ; CHECK: for.cond1: 23 ; CHECK-NEXT: br label [[L2:%.*]] 24 ; CHECK: for.body3: 25 ; CHECK-NEXT: br i1 undef, label [[FOR_COND1:%.*]], label [[L1_LOOPEXIT]] 26 ; CHECK: l2: 27 ; CHECK-NEXT: [[G_4:%.*]] = phi i32* [ @b, [[FOR_END14]] ], [ @a, [[FOR_COND1]] ] 28 ; CHECK-NEXT: [[F_2:%.*]] = phi i32* [ [[F_0]], [[FOR_END14]] ], [ @a, [[FOR_COND1]] ] 29 ; CHECK-NEXT: br label [[FOR_INC:%.*]] 30 ; CHECK: for.inc: 31 ; CHECK-NEXT: br i1 false, label [[FOR_COND_LOOPEXIT:%.*]], label [[FOR_INC]] 32 ; CHECK: for.end14: 33 ; CHECK-NEXT: br label [[L2]] 34 ; 35 entry: 36 br label %l1 37 l1.loopexit: 38 %g.223.lcssa = phi i32* [ @b, %for.body3 ] 39 br label %l1 40 l1: 41 %g.0 = phi i32* [ undef, %entry ], [ %g.223.lcssa, %l1.loopexit ] 42 %f.0 = phi i32* [ @b, %entry ], [ @a, %l1.loopexit ] 43 br label %for.cond 44 for.cond.loopexit: 45 br label %for.cond 46 for.cond: 47 %g.1 = phi i32* [ %g.0, %l1 ], [ %g.4, %for.cond.loopexit ] 48 %f.1 = phi i32* [ %f.0, %l1 ], [ %f.2, %for.cond.loopexit ] 49 br i1 undef, label %for.end14, label %for.cond1.preheader 50 for.cond1.preheader: 51 br label %for.body3 52 for.cond1: 53 br label %l2 54 for.body3: 55 br i1 undef, label %for.cond1, label %l1.loopexit 56 l2: 57 %g.4 = phi i32* [ %g.1, %for.end14 ], [ @a, %for.cond1 ] 58 %f.2 = phi i32* [ %f.1, %for.end14 ], [ @a, %for.cond1 ] 59 br label %for.inc 60 for.inc: 61 br i1 false, label %for.cond.loopexit, label %for.inc 62 for.end14: 63 br label %l2 64 } 65
