forked from OSchip/llvm-project
45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
; 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_42(i8* %baseptr, i8* %finalptr) local_unnamed_addr align 2 personality i8* undef {
|
|
; CHECK-LABEL: @is_not_42(
|
|
; CHECK-NEXT: preheader:
|
|
; CHECK-NEXT: br label [[HEADER:%.*]]
|
|
; CHECK: header:
|
|
; CHECK-NEXT: [[PTR:%.*]] = phi i8* [ [[INCPTR:%.*]], [[LATCH:%.*]] ], [ [[BASEPTR:%.*]], [[PREHEADER:%.*]] ]
|
|
; CHECK-NEXT: invoke void @maybe_throws()
|
|
; CHECK-NEXT: to label [[LATCH]] unwind label [[LPAD:%.*]]
|
|
; CHECK: lpad:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
|
|
; CHECK-NEXT: catch i8* inttoptr (i64 42 to i8*)
|
|
; CHECK-NEXT: [[PTR_IS_NOT_42:%.*]] = icmp ne i8* [[PTR]], inttoptr (i64 42 to i8*)
|
|
; CHECK-NEXT: call void @use1(i1 [[PTR_IS_NOT_42]])
|
|
; CHECK-NEXT: ret void
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[INCPTR]] = getelementptr inbounds i8, i8* [[PTR]], i64 1
|
|
; CHECK-NEXT: br label [[HEADER]]
|
|
;
|
|
preheader:
|
|
br label %header
|
|
|
|
header:
|
|
%ptr = phi i8* [ %incptr, %latch ], [ %baseptr, %preheader ]
|
|
invoke void @maybe_throws() to label %latch unwind label %lpad
|
|
|
|
lpad:
|
|
landingpad { i8*, i32 } catch i8* inttoptr (i64 42 to i8*)
|
|
%ptr_is_not_42 = icmp ne i8* %ptr, inttoptr (i64 42 to i8*)
|
|
call void @use1(i1 %ptr_is_not_42)
|
|
ret void
|
|
|
|
latch:
|
|
%incptr = getelementptr inbounds i8, i8* %ptr, i64 1
|
|
br label %header
|
|
}
|