1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s 3 4@_MergedGlobals = external dso_local global <{ i32, i32 }>, align 4 5 6define dso_local i32 @f(i1 %a, i8 %b) local_unnamed_addr { 7; CHECK-LABEL: @f( 8; CHECK-NEXT: bb: 9; CHECK-NEXT: br label [[BB10:%.*]] 10; CHECK: bb1: 11; CHECK-NEXT: br i1 [[A:%.*]], label [[BB2:%.*]], label [[BB10]] 12; CHECK: bb2: 13; CHECK-NEXT: [[I:%.*]] = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1:%.*]] ], [ [[I20:%.*]], [[BB18:%.*]] ] 14; CHECK-NEXT: [[I3:%.*]] = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ], [ [[I19:%.*]], [[BB18]] ] 15; CHECK-NEXT: ret i32 0 16; CHECK: bb4: 17; CHECK-NEXT: br label [[BB10]] 18; CHECK: bb10: 19; CHECK-NEXT: [[I11:%.*]] = phi ptr [ @_MergedGlobals, [[BB:%.*]] ], [ [[I]], [[BB4:%.*]] ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ] 20; CHECK-NEXT: [[I12:%.*]] = phi ptr [ @_MergedGlobals, [[BB]] ], [ [[I3]], [[BB4]] ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ] 21; CHECK-NEXT: br label [[BB13:%.*]] 22; CHECK: bb13: 23; CHECK-NEXT: [[I14:%.*]] = phi ptr [ [[I20]], [[BB18]] ], [ [[I11]], [[BB10]] ] 24; CHECK-NEXT: [[I15:%.*]] = phi ptr [ [[I20]], [[BB18]] ], [ [[I12]], [[BB10]] ] 25; CHECK-NEXT: [[I16:%.*]] = phi ptr [ [[I19]], [[BB18]] ], [ [[I12]], [[BB10]] ] 26; CHECK-NEXT: br i1 [[A]], label [[BB18]], label [[BB17:%.*]] 27; CHECK: bb17: 28; CHECK-NEXT: store i32 5, ptr [[I15]], align 4 29; CHECK-NEXT: br label [[BB18]] 30; CHECK: bb18: 31; CHECK-NEXT: [[I19]] = phi ptr [ [[I16]], [[BB17]] ], [ [[I14]], [[BB13]] ] 32; CHECK-NEXT: [[I20]] = phi ptr [ [[I15]], [[BB17]] ], [ [[I14]], [[BB13]] ] 33; CHECK-NEXT: br i1 [[A]], label [[BB2]], label [[BB13]] 34; 35bb: 36 br label %bb10 37 38bb1: ; No predecessors! 39 br i1 %a, label %bb2, label %bb9 40 41bb2: ; preds = %bb21, %bb1 42 %i = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb1 ], [ %i20, %bb21 ] 43 %i3 = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb1 ], [ %i19, %bb21 ] 44 ret i32 0 45 46bb4: ; No predecessors! 47 %i5 = icmp ugt i8 %b, 50 48 br label %bb6 49 50bb6: ; preds = %bb9, %bb4 51 %i7 = phi ptr [ %i, %bb4 ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb9 ] 52 %i8 = phi ptr [ %i3, %bb4 ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb9 ] 53 br label %bb10 54 55bb9: ; preds = %bb1 56 br label %bb6 57 58bb10: ; preds = %bb6, %bb 59 %i11 = phi ptr [ @_MergedGlobals, %bb ], [ %i7, %bb6 ] 60 %i12 = phi ptr [ @_MergedGlobals, %bb ], [ %i8, %bb6 ] 61 br label %bb13 62 63bb13: ; preds = %bb18, %bb10 64 %i14 = phi ptr [ %i20, %bb18 ], [ %i11, %bb10 ] 65 %i15 = phi ptr [ %i20, %bb18 ], [ %i12, %bb10 ] 66 %i16 = phi ptr [ %i19, %bb18 ], [ %i12, %bb10 ] 67 br i1 %a, label %bb18, label %bb17 68 69bb17: ; preds = %bb13 70 store i32 5, ptr %i15, align 4 71 br label %bb18 72 73bb18: ; preds = %bb17, %bb13 74 %i19 = phi ptr [ %i16, %bb17 ], [ %i14, %bb13 ] 75 %i20 = phi ptr [ %i15, %bb17 ], [ %i14, %bb13 ] 76 br i1 %a, label %bb21, label %bb13 77 78bb21: ; preds = %bb18 79 br label %bb2 80} 81