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; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S | FileCheck %s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
; This testcase causes SCEV to return a pointer-typed exit value.
; CHECK: @f
; Expect that the pointer indvar has been converted into an integer indvar.
; CHECK: %index.next = add nuw i64 %index, 4
define i32 @f(ptr readonly %a, ptr readnone %b) #0 {
entry:
%cmp.6 = icmp ult ptr %a, %b
br i1 %cmp.6, label %while.body.preheader, label %while.end
while.body.preheader: ; preds = %entry
br label %while.body
while.body: ; preds = %while.body.preheader, %while.body
%a.pn = phi ptr [ %incdec.ptr8, %while.body ], [ %a, %while.body.preheader ]
%acc.07 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
%incdec.ptr8 = getelementptr inbounds i32, ptr %a.pn, i64 1
%0 = load i32, ptr %incdec.ptr8, align 1
%add = add nuw nsw i32 %0, %acc.07
%exitcond = icmp eq ptr %incdec.ptr8, %b
br i1 %exitcond, label %while.cond.while.end_crit_edge, label %while.body
while.cond.while.end_crit_edge: ; preds = %while.body
%add.lcssa = phi i32 [ %add, %while.body ]
br label %while.end
while.end: ; preds = %while.cond.while.end_crit_edge, %entry
%acc.0.lcssa = phi i32 [ %add.lcssa, %while.cond.while.end_crit_edge ], [ 0, %entry ]
ret i32 %acc.0.lcssa
}
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