44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -loop-reduce < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @maybe_throws()
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declare void @use1(i1)
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define void @is_not_42(ptr %baseptr, ptr %finalptr) local_unnamed_addr align 2 personality ptr undef {
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; CHECK-LABEL: @is_not_42(
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; CHECK-NEXT: preheader:
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; CHECK-NEXT: br label [[HEADER:%.*]]
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; CHECK: header:
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; CHECK-NEXT: [[PTR:%.*]] = phi ptr [ [[INCPTR:%.*]], [[LATCH:%.*]] ], [ [[BASEPTR:%.*]], [[PREHEADER:%.*]] ]
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; CHECK-NEXT: invoke void @maybe_throws()
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; CHECK-NEXT: to label [[LATCH]] unwind label [[LPAD:%.*]]
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; CHECK: lpad:
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; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: catch ptr inttoptr (i64 42 to ptr)
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; CHECK-NEXT: [[PTR_IS_NOT_42:%.*]] = icmp ne ptr [[PTR]], inttoptr (i64 42 to ptr)
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; CHECK-NEXT: call void @use1(i1 [[PTR_IS_NOT_42]])
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; CHECK-NEXT: ret void
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; CHECK: latch:
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; CHECK-NEXT: [[INCPTR]] = getelementptr inbounds i8, ptr [[PTR]], i64 1
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; CHECK-NEXT: br label [[HEADER]]
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;
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preheader:
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br label %header
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header:
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%ptr = phi ptr [ %incptr, %latch ], [ %baseptr, %preheader ]
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invoke void @maybe_throws() to label %latch unwind label %lpad
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lpad:
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landingpad { ptr, i32 } catch ptr inttoptr (i64 42 to ptr)
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%ptr_is_not_42 = icmp ne ptr %ptr, inttoptr (i64 42 to ptr)
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call void @use1(i1 %ptr_is_not_42)
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ret void
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latch:
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%incptr = getelementptr inbounds i8, ptr %ptr, i64 1
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br label %header
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}
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