| ; RUN: opt %loadPolly -polly-pragma-based-opts=1 -polly-print-opt-isl -disable-output < %s | FileCheck %s --match-full-lines |
| ; RUN: opt %loadPolly -polly-pragma-based-opts=0 -polly-print-opt-isl -disable-output < %s | FileCheck %s --check-prefix=OFF --match-full-lines |
| ; |
| ; Partial unroll by a factor of 4. |
| ; |
| define void @func(i32 %n, ptr noalias nonnull %A) { |
| entry: |
| br label %for |
| |
| for: |
| %j = phi i32 [0, %entry], [%j.inc, %inc] |
| %j.cmp = icmp slt i32 %j, %n |
| br i1 %j.cmp, label %body, label %exit |
| |
| body: |
| store double 42.0, ptr %A |
| br label %inc |
| |
| inc: |
| %j.inc = add nuw nsw i32 %j, 1 |
| br label %for, !llvm.loop !2 |
| |
| exit: |
| br label %return |
| |
| return: |
| ret void |
| } |
| |
| |
| !2 = distinct !{!2, !5} |
| !5 = !{!"llvm.loop.unroll.count", i4 4} |
| |
| |
| ; CHECK-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func': |
| ; CHECK: domain: "[n] -> { Stmt_body[i0] : 0 <= i0 < n }" |
| ; CHECK: schedule: "[n] -> [{ Stmt_body[i0] -> [(i0 - (i0) mod 4)] }]" |
| ; CHECK: sequence: |
| ; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (i0) mod 4 = 0 }" |
| ; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (-1 + i0) mod 4 = 0 }" |
| ; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (2 + i0) mod 4 = 0 }" |
| ; CHECK-NEXT: - filter: "[n] -> { Stmt_body[i0] : (1 + i0) mod 4 = 0 }" |
| |
| |
| ; OFF-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func': |
| ; OFF-NEXT: Calculated schedule: |
| ; OFF-NEXT: n/a |