1; RUN: opt %loadNPMPolly -polly-pragma-based-opts=1 '-passes=print<polly-opt-isl>' -disable-output < %s | FileCheck %s --match-full-lines 2; RUN: opt %loadNPMPolly -polly-pragma-based-opts=0 '-passes=print<polly-opt-isl>' -disable-output < %s | FileCheck %s --check-prefix=OFF --match-full-lines 3; 4; Partial unroll by a factor of 4. 5; 6define void @func(i32 %n, ptr noalias nonnull %A) { 7entry: 8 br label %for 9 10for: 11 %j = phi i32 [0, %entry], [%j.inc, %inc] 12 %j.cmp = icmp slt i32 %j, %n 13 br i1 %j.cmp, label %body, label %exit 14 15 body: 16 store double 42.0, ptr %A 17 br label %inc 18 19inc: 20 %j.inc = add nuw nsw i32 %j, 1 21 br label %for, !llvm.loop !2 22 23exit: 24 br label %return 25 26return: 27 ret void 28} 29 30 31!2 = distinct !{!2, !5} 32!5 = !{!"llvm.loop.unroll.count", i4 4} 33 34 35; CHECK-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func': 36; CHECK: domain: "[n] -> { Stmt_body[i0] : 0 <= i0 < n }" 37; CHECK: schedule: "[n] -> [{ Stmt_body[i0] -> [(i0 - (i0) mod 4)] }]" 38; CHECK: sequence: 39; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (i0) mod 4 = 0 }" 40; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (-1 + i0) mod 4 = 0 }" 41; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (2 + i0) mod 4 = 0 }" 42; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (1 + i0) mod 4 = 0 }" 43 44 45; OFF-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func': 46; OFF-NEXT: Calculated schedule: 47; OFF-NEXT: n/a 48