1 ; RUN: opt %loadPolly -polly-position=before-vectorizer -polly-print-scops -disable-output < %s | FileCheck %s --check-prefix=SCOP
2 ; RUN: opt %loadPolly -polly-position=before-vectorizer -polly-codegen -S < %s | FileCheck %s --check-prefix=IR
4 ; The IR has two ScopArrayInfo for the value %next.0. This used to produce two
5 ; phi nodes in polly.merge_new_and_old, one illegaly using the result of the
6 ; other. There must be only one merge phi, no need to generate them for arrays
8 ; Derived from test-suite/MultiSource/Applications/siod/slib.c
10 %struct.obj.2.290.322.338.354.482.546.594.626.818.898.914.962 = type { i16, i16, %union.anon.1.289.321.337.353.481.545.593.625.817.897.913.961 }
11 %union.anon.1.289.321.337.353.481.545.593.625.817.897.913.961 = type { %struct.anon.0.288.320.336.352.480.544.592.624.816.896.912.960 }
12 %struct.anon.0.288.320.336.352.480.544.592.624.816.896.912.960 = type { ptr, ptr }
14 define void @leval_or() {
18 while.cond: ; preds = %sw.bb1.i30, %cond.end.i28, %entry
19 %next.0 = phi ptr [ null, %entry ], [ %1, %sw.bb1.i30 ], [ null, %cond.end.i28 ]
20 br i1 undef, label %cond.end.i28, label %if.then
22 if.then: ; preds = %while.cond
25 cond.end.i28: ; preds = %while.cond
26 %type.i24 = getelementptr inbounds %struct.obj.2.290.322.338.354.482.546.594.626.818.898.914.962, ptr %next.0, i64 0, i32 1
27 %0 = load i16, ptr %type.i24, align 2
28 br i1 false, label %sw.bb1.i30, label %while.cond
30 sw.bb1.i30: ; preds = %cond.end.i28
31 %cdr.i29 = getelementptr inbounds %struct.obj.2.290.322.338.354.482.546.594.626.818.898.914.962, ptr %next.0, i64 0, i32 2, i32 0, i32 1
32 %1 = load ptr, ptr %cdr.i29, align 8
37 ; SCOP-NEXT: ptr MemRef_next_0;
38 ; SCOP-NEXT: i16 MemRef_next_0[*];
41 ; IR: polly.merge_new_and_old:
42 ; IR-NEXT: %next.0.ph.merge = phi ptr [ %next.0.ph.final_reload, %polly.exiting ], [ %next.0.ph, %while.cond.region_exiting ]
43 ; IR-NEXT: %indvar.next = add i64 %indvar, 1
44 ; IR-NEXT: br label %while.cond