| ; PR30213. Check scev expand will generate correct code if the value |
| ; in ValueOffsetPair is of pointer type. |
| ; RUN: opt -mtriple=i386-apple-macosx10.12.0 < %s -loop-reduce -S | FileCheck %s |
| |
| ; CHECK: %ptr4.ptr1 = select i1 %cmp.i, i8* %ptr4, i8* %ptr1 |
| ; CHECK-NEXT: %scevgep = getelementptr i8, i8* %ptr4.ptr1, i32 1 |
| ; CHECK-NEXT: br label %while.cond.i |
| |
| target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" |
| target triple = "i386-apple-macosx10.12.0" |
| |
| ; Function Attrs: nounwind optsize ssp |
| define void @Foo() { |
| entry: |
| switch i2 undef, label %sw.epilog102 [ |
| i2 -2, label %sw.bb28 |
| ] |
| |
| sw.bb28: ; preds = %entry |
| %0 = load i8*, i8** undef, align 2 |
| %ptr1 = getelementptr inbounds i8, i8* undef, i32 -1 |
| %ptr4 = getelementptr inbounds i8, i8* %0, i32 -1 |
| %cmp.i = icmp ult i8* undef, %0 |
| %ptr4.ptr1 = select i1 %cmp.i, i8* %ptr4, i8* %ptr1 |
| br label %while.cond.i |
| |
| while.cond.i: ; preds = %while.cond.i, %sw.bb28 |
| %currPtr.1.i = phi i8* [ %incdec.ptr.i, %while.cond.i ], [ %ptr4.ptr1, %sw.bb28 ] |
| %incdec.ptr.i = getelementptr inbounds i8, i8* %currPtr.1.i, i32 1 |
| %1 = load i8, i8* %incdec.ptr.i, align 1 |
| br label %while.cond.i |
| |
| sw.epilog102: ; preds = %entry |
| unreachable |
| } |
| |
