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1; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s2; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s3;4; Verify the scalar x defined in a non-affine subregion is written as it5; escapes the region. In this test the two conditionals inside the region6; are expressed as one PHI nodes with three incoming values.7;8; void f(int *A, int b) {9; for (int i = 0; i < 1024; i++) {10; int x = 0;11; if (A[i]) {12; if (b > i)13; x = 0;14; else if (b < 2 * i)15; x = i;16; else17; x = b;18; }19; A[i] = x;20; }21; }22 23; CHECK-LABEL: Region: %bb2---%bb2124;25; CHECK: Statements {26; CHECK-NEXT: Stmt_bb3__TO__bb1827; CHECK-NEXT: Domain :=28; CHECK-NEXT: { Stmt_bb3__TO__bb18[i0] : 0 <= i0 <= 1023 };29; CHECK-NEXT: Schedule :=30; CHECK-NEXT: { Stmt_bb3__TO__bb18[i0] -> [i0, 0] };31; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]32; CHECK-NEXT: { Stmt_bb3__TO__bb18[i0] -> MemRef_A[i0] };33; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]34; CHECK-NEXT: { Stmt_bb3__TO__bb18[i0] -> MemRef_x_2__phi[] };35; CHECK-NEXT: Stmt_bb1836; CHECK-NEXT: Domain :=37; CHECK-NEXT: { Stmt_bb18[i0] : 0 <= i0 <= 1023 };38; CHECK-NEXT: Schedule :=39; CHECK-NEXT: { Stmt_bb18[i0] -> [i0, 1] };40; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]41; CHECK-NEXT: { Stmt_bb18[i0] -> MemRef_x_2__phi[] };42; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]43; CHECK-NEXT: { Stmt_bb18[i0] -> MemRef_A[i0] };44; CHECK-NEXT: }45 46target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"47 48define void @f(ptr %A, i32 %b) {49bb:50 %tmp = sext i32 %b to i6451 %tmp1 = sext i32 %b to i6452 br label %bb253 54bb2: ; preds = %bb20, %bb55 %indvars.iv = phi i64 [ %indvars.iv.next, %bb20 ], [ 0, %bb ]56 %exitcond = icmp ne i64 %indvars.iv, 102457 br i1 %exitcond, label %bb3, label %bb2158 59bb3: ; preds = %bb260 %tmp4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv61 %tmp5 = load i32, ptr %tmp4, align 462 %tmp6 = icmp eq i32 %tmp5, 063 br i1 %tmp6, label %bb18, label %bb764 65bb7: ; preds = %bb366 %tmp8 = icmp slt i64 %indvars.iv, %tmp67 br i1 %tmp8, label %bb9, label %bb1068 69bb9: ; preds = %bb770 br label %bb1871 72bb10: ; preds = %bb773 %tmp11 = shl nsw i64 %indvars.iv, 174 %tmp12 = icmp sgt i64 %tmp11, %tmp175 br i1 %tmp12, label %bb13, label %bb1576 77bb13: ; preds = %bb1078 %tmp14 = trunc i64 %indvars.iv to i3279 br label %bb1880 81bb15: ; preds = %bb1082 br label %bb1883 84bb18: ; preds = %bb3, %bb13, %bb15, %bb985 %x.2 = phi i32 [ 0, %bb9 ], [ %tmp14, %bb13 ], [ %b, %bb15 ], [ 0, %bb3 ]86 %tmp19 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv87 store i32 %x.2, ptr %tmp19, align 488 br label %bb2089 90bb20: ; preds = %bb1891 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 192 br label %bb293 94bb21: ; preds = %bb295 ret void96}97