| ; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -polly-simplify -analyze < %s | FileCheck %s |
| ; |
| ; %tmp5 must keep the Value WRITE MemoryAccess, because as an incoming value of |
| ; %tmp4, it is an "external use". |
| ; |
| ; A common mistake is to assume that %tmp5 is used by %tmp4 in bb3, when |
| ; practially it's the incoming block %bb9 which is the user. |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @hoge() { |
| bb: |
| br label %bb2 |
| |
| bb2: ; preds = %bb |
| %tmp = load i64*, i64** undef |
| br label %bb3 |
| |
| bb3: ; preds = %bb9, %bb2 |
| %tmp4 = phi i64* [ %tmp, %bb2 ], [ %tmp5, %bb9 ] |
| %tmp5 = getelementptr inbounds i64, i64* %tmp4, i64 1 |
| %tmp6 = load i64, i64* %tmp5 |
| %tmp7 = and i64 %tmp6, 4160749568 |
| br i1 false, label %bb8, label %bb9 |
| |
| bb8: ; preds = %bb3 |
| br label %bb9 |
| |
| bb9: ; preds = %bb8, %bb3 |
| %tmp10 = icmp eq i64 %tmp7, 134217728 |
| br i1 %tmp10, label %bb11, label %bb3 |
| |
| bb11: ; preds = %bb9 |
| br label %bb12 |
| |
| bb12: ; preds = %bb11 |
| ret void |
| } |
| |
| |
| ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] |
| ; CHECK-NEXT: [p_0] -> { Stmt_bb3[] -> MemRef_tmp5[] }; |
| |
| ; CHECK: SCoP could not be simplified |
