1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -loop-reduce < %s | FileCheck %s 3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-unknown-linux-gnu" 6 7declare void @maybe_throws() 8declare void @use1(i1) 9 10define void @is_not_null(ptr %baseptr) local_unnamed_addr align 2 personality ptr undef { 11; CHECK-LABEL: @is_not_null( 12; CHECK-NEXT: preheader: 13; CHECK-NEXT: br label [[HEADER:%.*]] 14; CHECK: header: 15; CHECK-NEXT: [[PTR:%.*]] = phi ptr [ [[INCPTR:%.*]], [[LATCH:%.*]] ], [ [[BASEPTR:%.*]], [[PREHEADER:%.*]] ] 16; CHECK-NEXT: invoke void @maybe_throws() 17; CHECK-NEXT: to label [[LATCH]] unwind label [[LPAD:%.*]] 18; CHECK: lpad: 19; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 } 20; CHECK-NEXT: catch ptr null 21; CHECK-NEXT: [[PTR_IS_NOT_NULL:%.*]] = icmp ne ptr [[PTR]], null 22; CHECK-NEXT: call void @use1(i1 [[PTR_IS_NOT_NULL]]) 23; CHECK-NEXT: ret void 24; CHECK: latch: 25; CHECK-NEXT: [[INCPTR]] = getelementptr inbounds i8, ptr [[PTR]], i64 1 26; CHECK-NEXT: br label [[HEADER]] 27; 28preheader: 29 br label %header 30 31header: 32 %ptr = phi ptr [ %incptr, %latch ], [ %baseptr, %preheader ] 33 invoke void @maybe_throws() to label %latch unwind label %lpad 34 35lpad: 36 landingpad { ptr, i32 } catch ptr null 37 %ptr_is_not_null = icmp ne ptr %ptr, null 38 call void @use1(i1 %ptr_is_not_null) 39 ret void 40 41latch: 42 %incptr = getelementptr inbounds i8, ptr %ptr, i64 1 43 br label %header 44} 45