1; RUN: opt %loadNPMPolly -polly-position=before-vectorizer '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s --check-prefix=SCOP 2; RUN: opt %loadNPMPolly -polly-position=before-vectorizer -passes=polly-codegen -S < %s | FileCheck %s --check-prefix=IR 3 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 7; of type MK_Array. 8; Derived from test-suite/MultiSource/Applications/siod/slib.c 9 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 } 13 14define void @leval_or() { 15entry: 16 br label %while.cond 17 18while.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 21 22if.then: ; preds = %while.cond 23 ret void 24 25cond.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 29 30sw.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 33 br label %while.cond 34} 35 36; SCOP: Arrays { 37; SCOP-NEXT: ptr MemRef_next_0; 38; SCOP-NEXT: i16 MemRef_next_0[*]; 39; SCOP-NEXT: } 40 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 45