45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-print-scops -polly-print-simplify -disable-output < %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
|
|
; practically 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 ptr, ptr undef
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb9, %bb2
|
|
%tmp4 = phi ptr [ %tmp, %bb2 ], [ %tmp5, %bb9 ]
|
|
%tmp5 = getelementptr inbounds i64, ptr %tmp4, i64 1
|
|
%tmp6 = load i64, ptr %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
|