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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<ast>' -polly-print-ast -disable-output < %s 2>&1 | FileCheck %s --check-prefix=AST3;4; The SCoP contains a loop with multiple exit blocks (BBs after leaving5; the loop). The current implementation of deriving their domain derives6; only a common domain for all of the exit blocks. We disabled loops with7; multiple exit blocks until this is fixed.8; XFAIL: *9;10; void f(int *A, int *B, int N) {11; for (int i = 0; i < N; i++) {12; A[i]++;13; switch (N) {14; case 0:15; B[i]++;16; break;17; default:18; return;19; }20; }21; }22 23; CHECK: Statements {24; CHECK-NEXT: Stmt_for_body25; CHECK-NEXT: Domain :=26; CHECK-NEXT: [N] -> { Stmt_for_body[0] : N > 0 };27; CHECK-NEXT: Schedule :=28; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> [0] };29; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]30; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[0] };31; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]32; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[0] };33; CHECK-NEXT: }34 35; AST: if (1)36;37; AST: if (N >= 1)38; AST-NEXT: Stmt_for_body(0);39;40; AST: else41; AST-NEXT: { /* original code */ }42 43target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"44 45define void @f(ptr %A, ptr %B, i32 %N) {46entry:47 %tmp = sext i32 %N to i6448 br label %for.cond49 50for.cond: ; preds = %for.inc, %entry51 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]52 %cmp = icmp slt i64 %indvars.iv, %tmp53 br i1 %cmp, label %for.body, label %for.end.loopexit54 55for.body: ; preds = %for.cond56 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv57 %tmp1 = load i32, ptr %arrayidx, align 458 %inc = add nsw i32 %tmp1, 159 store i32 %inc, ptr %arrayidx, align 460 switch i32 %N, label %sw.default [61 i32 0, label %sw.bb62 ]63 64sw.bb: ; preds = %for.body65 %arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv66 %tmp2 = load i32, ptr %arrayidx2, align 467 %inc3 = add nsw i32 %tmp2, 168 store i32 %inc3, ptr %arrayidx2, align 469 br label %sw.epilog70 71sw.default: ; preds = %for.body72 br label %for.end73 74sw.epilog: ; preds = %sw.bb75 br label %for.inc76 77for.inc: ; preds = %sw.epilog78 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 179 br label %for.cond80 81for.end.loopexit: ; preds = %for.cond82 br label %for.end83 84for.end: ; preds = %for.end.loopexit, %sw.default85 ret void86}87