1 ; PR30213. Check scev expand will generate correct code if the value
2 ; in ValueOffsetPair is of pointer type.
3 ; RUN: opt -mtriple=i386-apple-macosx10.12.0 < %s -loop-reduce -S | FileCheck %s
5 ; CHECK: %ptr4.ptr1 = select i1 %cmp.i, ptr %ptr4, ptr %ptr1
6 ; CHECK-NEXT: %scevgep = getelementptr i8, ptr %ptr4.ptr1, i32 1
7 ; CHECK-NEXT: br label %while.cond.i
9 target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
10 target triple = "i386-apple-macosx10.12.0"
12 ; Function Attrs: nounwind optsize ssp
15 switch i2 undef, label %sw.epilog102 [
19 sw.bb28: ; preds = %entry
20 %0 = load ptr, ptr undef, align 2
21 %ptr1 = getelementptr inbounds i8, ptr undef, i32 -1
22 %ptr4 = getelementptr inbounds i8, ptr %0, i32 -1
23 %cmp.i = icmp ult ptr undef, %0
24 %ptr4.ptr1 = select i1 %cmp.i, ptr %ptr4, ptr %ptr1
25 br label %while.cond.i
27 while.cond.i: ; preds = %while.cond.i, %sw.bb28
28 %currPtr.1.i = phi ptr [ %incdec.ptr.i, %while.cond.i ], [ %ptr4.ptr1, %sw.bb28 ]
29 %incdec.ptr.i = getelementptr inbounds i8, ptr %currPtr.1.i, i32 1
30 %1 = load i8, ptr %incdec.ptr.i, align 1
31 br label %while.cond.i
33 sw.epilog102: ; preds = %entry