| ; 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 |
| } |
