| ; RUN: opt %loadPolly -polly-opt-isl -analyze < %s | FileCheck %s --match-full-lines |
| ; |
| ; Apply two loop transformations. First partial, then full unrolling. |
| ; |
| define void @func(double* noalias nonnull %A) { |
| entry: |
| br label %for |
| |
| for: |
| %j = phi i32 [0, %entry], [%j.inc, %inc] |
| %j.cmp = icmp slt i32 %j, 12 |
| br i1 %j.cmp, label %body, label %exit |
| |
| body: |
| store double 42.0, double* %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, !4, !5, !6} |
| !4 = !{!"llvm.loop.unroll.enable", i1 true} |
| !5 = !{!"llvm.loop.unroll.count", i4 4} |
| !6 = !{!"llvm.loop.unroll.followup_unrolled", !7} |
| |
| !7 = distinct !{!7, !8, !9} |
| !8 = !{!"llvm.loop.unroll.enable", i1 true} |
| !9 = !{!"llvm.loop.unroll.full"} |
| |
| |
| ; CHECK-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func': |
| ; CHECK: domain: "{ Stmt_body[i0] : 0 <= i0 <= 11 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[i0] : 0 <= i0 <= 3 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[0] }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (-1 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (2 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (1 + i0) mod 4 = 0 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[i0] : 4 <= i0 <= 7 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[4] }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (-1 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (2 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (1 + i0) mod 4 = 0 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[i0] : 8 <= i0 <= 11 }" |
| ; CHECK sequence: |
| ; CHECK: - filter: "{ Stmt_body[8] }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (-1 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (2 + i0) mod 4 = 0 }" |
| ; CHECK: - filter: "{ Stmt_body[i0] : (1 + i0) mod 4 = 0 }" |