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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -loop-reduce < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @maybe_throws()
declare void @use1(i1)
define void @is_not_null(ptr %baseptr) local_unnamed_addr align 2 personality ptr undef {
; CHECK-LABEL: @is_not_null(
; CHECK-NEXT: preheader:
; CHECK-NEXT: br label [[HEADER:%.*]]
; CHECK: header:
; CHECK-NEXT: [[PTR:%.*]] = phi ptr [ [[INCPTR:%.*]], [[LATCH:%.*]] ], [ [[BASEPTR:%.*]], [[PREHEADER:%.*]] ]
; CHECK-NEXT: invoke void @maybe_throws()
; CHECK-NEXT: to label [[LATCH]] unwind label [[LPAD:%.*]]
; CHECK: lpad:
; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: catch ptr null
; CHECK-NEXT: [[PTR_IS_NOT_NULL:%.*]] = icmp ne ptr [[PTR]], null
; CHECK-NEXT: call void @use1(i1 [[PTR_IS_NOT_NULL]])
; CHECK-NEXT: ret void
; CHECK: latch:
; CHECK-NEXT: [[INCPTR]] = getelementptr inbounds i8, ptr [[PTR]], i64 1
; CHECK-NEXT: br label [[HEADER]]
;
preheader:
br label %header
header:
%ptr = phi ptr [ %incptr, %latch ], [ %baseptr, %preheader ]
invoke void @maybe_throws() to label %latch unwind label %lpad
lpad:
landingpad { ptr, i32 } catch ptr null
%ptr_is_not_null = icmp ne ptr %ptr, null
call void @use1(i1 %ptr_is_not_null)
ret void
latch:
%incptr = getelementptr inbounds i8, ptr %ptr, i64 1
br label %header
}
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