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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; void f(int *A, int N) {5; for (int i = 0; i < N; i++)6; switch (i % 4) {7; case 0:8; A[i] += 1;9; break;10; case 1:11; break;12; case 2:13; A[i] += 2;14; break;15; case 3:16; break;17; }18; }19 20; CHECK: Statements {21; CHECK-NEXT: Stmt_sw_bb22; CHECK-NEXT: Domain :=23; CHECK-NEXT: [N] -> { Stmt_sw_bb[i0] : (i0) mod 4 = 0 and 0 <= i0 < N };24; CHECK-NEXT: Schedule :=25; CHECK-NEXT: [N] -> { Stmt_sw_bb[i0] -> [i0, 1] };26; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]27; CHECK-NEXT: [N] -> { Stmt_sw_bb[i0] -> MemRef_A[i0] };28; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]29; CHECK-NEXT: [N] -> { Stmt_sw_bb[i0] -> MemRef_A[i0] };30; CHECK-NEXT: Stmt_sw_bb_231; CHECK-NEXT: Domain :=32; CHECK-NEXT: [N] -> { Stmt_sw_bb_2[i0] : (2 + i0) mod 4 = 0 and 2 <= i0 < N };33; CHECK-NEXT: Schedule :=34; CHECK-NEXT: [N] -> { Stmt_sw_bb_2[i0] -> [i0, 0] };35; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]36; CHECK-NEXT: [N] -> { Stmt_sw_bb_2[i0] -> MemRef_A[i0] };37; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]38; CHECK-NEXT: [N] -> { Stmt_sw_bb_2[i0] -> MemRef_A[i0] };39; CHECK-NEXT: }40 41; AST: if (1)42;43; AST: for (int c0 = 0; c0 < N; c0 += 4) {44; AST-NEXT: Stmt_sw_bb(c0);45; AST-NEXT: if (N >= c0 + 3)46; AST-NEXT: Stmt_sw_bb_2(c0 + 2);47; AST-NEXT: }48;49; AST: else50; AST-NEXT: { /* original code */ }51 52target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"53 54define void @f(ptr %A, i32 %N) {55entry:56 %tmp = sext i32 %N to i6457 br label %for.cond58 59for.cond: ; preds = %for.inc, %entry60 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]61 %cmp = icmp slt i64 %indvars.iv, %tmp62 br i1 %cmp, label %for.body, label %for.end63 64for.body: ; preds = %for.cond65 %tmp1 = trunc i64 %indvars.iv to i3266 %rem = srem i32 %tmp1, 467 switch i32 %rem, label %sw.epilog [68 i32 0, label %sw.bb69 i32 1, label %sw.bb.170 i32 2, label %sw.bb.271 i32 3, label %sw.bb.672 ]73 74sw.bb: ; preds = %for.body75 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv76 %tmp2 = load i32, ptr %arrayidx, align 477 %add = add nsw i32 %tmp2, 178 store i32 %add, ptr %arrayidx, align 479 br label %sw.epilog80 81sw.bb.1: ; preds = %for.body82 br label %sw.epilog83 84sw.bb.2: ; preds = %for.body85 %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv86 %tmp3 = load i32, ptr %arrayidx4, align 487 %add5 = add nsw i32 %tmp3, 288 store i32 %add5, ptr %arrayidx4, align 489 br label %sw.epilog90 91sw.bb.6: ; preds = %for.body92 br label %sw.epilog93 94sw.epilog: ; preds = %sw.bb.6, %sw.bb.2, %sw.bb.1, %sw.bb, %for.body95 br label %for.inc96 97for.inc: ; preds = %sw.epilog98 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 199 br label %for.cond100 101for.end: ; preds = %for.cond102 ret void103}104