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; RUN: opt -S -loop-vectorize < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; CHECK-LABEL: @fn1
define void @fn1() {
entry-block:
br label %middle
middle:
%0 = phi {}* [ %3, %middle ], [ inttoptr (i64 0 to {}*), %entry-block ]
%1 = bitcast {}* %0 to i8*
%2 = getelementptr i8, i8* %1, i64 1
%3 = bitcast i8* %2 to {}*
%4 = icmp eq i8* %2, undef
br i1 %4, label %exit, label %middle
; CHECK: %[[phi:.*]] = phi {}* [ %3, %middle ], [ null, %entry-block ]
; CHECK-NEXT: %[[bc1:.*]] = bitcast {}* %[[phi]] to i8*
; CHECK-NEXT: %[[gep:.*]] = getelementptr i8, i8* %[[bc1]], i64 1
; CHECK-NEXT: %[[bc2:.*]] = bitcast i8* %[[gep]] to {}*
; CHECK-NEXT: %[[cmp:.*]] = icmp eq i8* %[[gep]], undef
; CHECK-NEXT: br i1 %[[cmp]],
exit:
ret void
}
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