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|
; RUN: opt %loadPolly -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
|
