45 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -loop-reduce < %s | FileCheck %s3 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 null21; CHECK-NEXT: [[PTR_IS_NOT_NULL:%.*]] = icmp ne ptr [[PTR]], null22; CHECK-NEXT: call void @use1(i1 [[PTR_IS_NOT_NULL]])23; CHECK-NEXT: ret void24; CHECK: latch:25; CHECK-NEXT: [[INCPTR]] = getelementptr inbounds i8, ptr [[PTR]], i64 126; CHECK-NEXT: br label [[HEADER]]27;28preheader:29 br label %header30 31header:32 %ptr = phi ptr [ %incptr, %latch ], [ %baseptr, %preheader ]33 invoke void @maybe_throws() to label %latch unwind label %lpad34 35lpad:36 landingpad { ptr, i32 } catch ptr null37 %ptr_is_not_null = icmp ne ptr %ptr, null38 call void @use1(i1 %ptr_is_not_null)39 ret void40 41latch:42 %incptr = getelementptr inbounds i8, ptr %ptr, i64 143 br label %header44}45