; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes='require,function(codegenprepare)' -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s @_MergedGlobals = external dso_local global <{ i32, i32 }>, align 4 define dso_local i32 @f(i1 %a, i8 %b) local_unnamed_addr { ; CHECK-LABEL: @f( ; CHECK-NEXT: bb: ; CHECK-NEXT: br label [[BB10:%.*]] ; CHECK: bb1: ; CHECK-NEXT: br i1 [[A:%.*]], label [[BB2:%.*]], label [[BB10]] ; CHECK: bb2: ; CHECK-NEXT: [[I:%.*]] = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1:%.*]] ], [ [[I20:%.*]], [[BB18:%.*]] ] ; CHECK-NEXT: [[I3:%.*]] = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ], [ [[I19:%.*]], [[BB18]] ] ; CHECK-NEXT: ret i32 0 ; CHECK: bb4: ; CHECK-NEXT: br label [[BB10]] ; CHECK: bb10: ; CHECK-NEXT: [[I11:%.*]] = phi ptr [ @_MergedGlobals, [[BB:%.*]] ], [ [[I]], [[BB4:%.*]] ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ] ; CHECK-NEXT: [[I12:%.*]] = phi ptr [ @_MergedGlobals, [[BB]] ], [ [[I3]], [[BB4]] ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), [[BB1]] ] ; CHECK-NEXT: br label [[BB13:%.*]] ; CHECK: bb13: ; CHECK-NEXT: [[I14:%.*]] = phi ptr [ [[I20]], [[BB18]] ], [ [[I11]], [[BB10]] ] ; CHECK-NEXT: [[I15:%.*]] = phi ptr [ [[I20]], [[BB18]] ], [ [[I12]], [[BB10]] ] ; CHECK-NEXT: [[I16:%.*]] = phi ptr [ [[I19]], [[BB18]] ], [ [[I12]], [[BB10]] ] ; CHECK-NEXT: br i1 [[A]], label [[BB18]], label [[BB17:%.*]] ; CHECK: bb17: ; CHECK-NEXT: store i32 5, ptr [[I15]], align 4 ; CHECK-NEXT: br label [[BB18]] ; CHECK: bb18: ; CHECK-NEXT: [[I19]] = phi ptr [ [[I16]], [[BB17]] ], [ [[I14]], [[BB13]] ] ; CHECK-NEXT: [[I20]] = phi ptr [ [[I15]], [[BB17]] ], [ [[I14]], [[BB13]] ] ; CHECK-NEXT: br i1 [[A]], label [[BB2]], label [[BB13]] ; bb: br label %bb10 bb1: ; No predecessors! br i1 %a, label %bb2, label %bb9 bb2: ; preds = %bb21, %bb1 %i = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb1 ], [ %i20, %bb21 ] %i3 = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb1 ], [ %i19, %bb21 ] ret i32 0 bb4: ; No predecessors! %i5 = icmp ugt i8 %b, 50 br label %bb6 bb6: ; preds = %bb9, %bb4 %i7 = phi ptr [ %i, %bb4 ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb9 ] %i8 = phi ptr [ %i3, %bb4 ], [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1), %bb9 ] br label %bb10 bb9: ; preds = %bb1 br label %bb6 bb10: ; preds = %bb6, %bb %i11 = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 0), %bb ], [ %i7, %bb6 ] %i12 = phi ptr [ getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 0), %bb ], [ %i8, %bb6 ] br label %bb13 bb13: ; preds = %bb18, %bb10 %i14 = phi ptr [ %i20, %bb18 ], [ %i11, %bb10 ] %i15 = phi ptr [ %i20, %bb18 ], [ %i12, %bb10 ] %i16 = phi ptr [ %i19, %bb18 ], [ %i12, %bb10 ] br i1 %a, label %bb18, label %bb17 bb17: ; preds = %bb13 store i32 5, ptr %i15, align 4 br label %bb18 bb18: ; preds = %bb17, %bb13 %i19 = phi ptr [ %i16, %bb17 ], [ %i14, %bb13 ] %i20 = phi ptr [ %i15, %bb17 ], [ %i14, %bb13 ] br i1 %a, label %bb21, label %bb13 bb21: ; preds = %bb18 br label %bb2 }