1; RUN: opt %loadNPMPolly '-passes=polly-import-jscop,print<polly-ast>' -polly-ast-detect-parallel -disable-output < %s | FileCheck %s 2; 3; Verify that only the outer dimension needs privatization 4; 5; CHECK: #pragma known-parallel reduction 6; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1) { 7; CHECK: if ((c1 + 1) % 2 == 0) { 8; CHECK-NOT: #pragma simd reduction 9; CHECK: #pragma simd 10; CHECK: for (int c3 = -2 * n + 1; c3 <= 0; c3 += 1) 11; CHECK: Stmt_for_body3(-c3, c1); 12; CHECK: } else { 13; CHECK-NOT: #pragma simd reduction 14; CHECK: #pragma simd 15; CHECK: for (int c3 = 0; c3 < 2 * n; c3 += 1) 16; CHECK: Stmt_for_body3(c3, c1); 17; CHECK: } 18; CHECK: } 19; 20; void rmsmd5(int *A, long n) { 21; for (long i = 0; i < 2 * n; i++) 22; for (long j = 0; j < 1024; j++) 23; A[i] += i; 24; } 25; 26target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" 27 28define void @rmsmd5(ptr %A, i32 %n) { 29entry: 30 br label %for.cond 31 32for.cond: ; preds = %for.inc4, %entry 33 %i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ] 34 %mul = shl nsw i32 %n, 1 35 %cmp = icmp slt i32 %i.0, %mul 36 br i1 %cmp, label %for.body, label %for.end6 37 38for.body: ; preds = %for.cond 39 br label %for.cond1 40 41for.cond1: ; preds = %for.inc, %for.body 42 %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ] 43 %exitcond = icmp ne i32 %j.0, 1024 44 br i1 %exitcond, label %for.body3, label %for.end 45 46for.body3: ; preds = %for.cond1 47 %arrayidx = getelementptr inbounds i32, ptr %A, i32 %i.0 48 %tmp = load i32, ptr %arrayidx, align 4 49 %add = add nsw i32 %tmp, %i.0 50 store i32 %add, ptr %arrayidx, align 4 51 br label %for.inc 52 53for.inc: ; preds = %for.body3 54 %inc = add nsw i32 %j.0, 1 55 br label %for.cond1 56 57for.end: ; preds = %for.cond1 58 br label %for.inc4 59 60for.inc4: ; preds = %for.end 61 %inc5 = add nsw i32 %i.0, 1 62 br label %for.cond 63 64for.end6: ; preds = %for.cond 65 ret void 66} 67