| ; RUN: opt %loadPolly -polly-parallel -polly-parallel-force -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST |
| ; RUN: opt %loadPolly -polly-parallel -polly-parallel-force -polly-codegen -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR |
| |
| ; This code has failed the scev based code generation as the scev in the scop |
| ; contains an AddRecExpr of an outer loop. When generating code, we did not |
| ; properly forward the value of this expression to the subfunction. |
| |
| ; AST: #pragma omp parallel for |
| ; AST: for (int c0 = 0; c0 <= 1023; c0 += 1) |
| ; AST: Stmt_for_j(c0); |
| |
| ; IR: @single_parallel_loop_polly_subfn |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| |
| @A = common global [1024 x float] zeroinitializer, align 16 |
| |
| define void @single_parallel_loop() nounwind { |
| entry: |
| br label %for.i |
| |
| for.i: |
| %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc], [ 0, %entry ] |
| br label %for.j |
| |
| for.j: |
| %indvar.j = phi i64 [ %indvar.j.next, %for.j], [ 0, %for.i ] |
| %sum = add i64 %indvar.j, %indvar.i |
| %scevgep = getelementptr [1024 x float], [1024 x float]* @A, i64 0, i64 %sum |
| store float 0.0, float *%scevgep |
| %indvar.j.next = add i64 %indvar.j, 1 |
| %exitcond.j = icmp slt i64 %indvar.j.next, 1024 |
| br i1 %exitcond.j, label %for.j, label %for.i.inc |
| |
| for.i.inc: |
| fence seq_cst |
| %indvar.i.next = add i64 %indvar.i, 1 |
| %exitcond.i = icmp ne i64 %indvar.i.next, 1024 |
| br i1 %exitcond.i, label %for.i, label %exit |
| |
| exit: |
| ret void |
| } |