| ; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s |
| ; |
| ; CHECK-NOT:#pragma known-parallel reduction |
| ; CHECK: #pragma known-parallel |
| ; CHECK: for (int c0 = 0; c0 <= 2047; c0 += 1) |
| ; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1) |
| ; CHECK: #pragma simd reduction |
| ; CHECK: for (int c2 = 0; c2 <= 511; c2 += 1) |
| ; CHECK: Stmt_for_body6(c0, c1, c2); |
| ; |
| ; void rmd4(int *A) { |
| ; for (long i = 0; i < 2048; i++) |
| ; for (long j = 0; j < 1024; j++) |
| ; for (long k = 0; k < 512; k++) |
| ; A[i] += i; |
| ; } |
| ; |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" |
| |
| define void @rmd4(i32* %A) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc10, %entry |
| %i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ] |
| %exitcond2 = icmp ne i32 %i.0, 2048 |
| br i1 %exitcond2, label %for.body, label %for.end12 |
| |
| for.body: ; preds = %for.cond |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.inc7, %for.body |
| %j.0 = phi i32 [ 0, %for.body ], [ %inc8, %for.inc7 ] |
| %exitcond1 = icmp ne i32 %j.0, 1024 |
| br i1 %exitcond1, label %for.body3, label %for.end9 |
| |
| for.body3: ; preds = %for.cond1 |
| br label %for.cond4 |
| |
| for.cond4: ; preds = %for.inc, %for.body3 |
| %k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ] |
| %exitcond = icmp ne i32 %k.0, 512 |
| br i1 %exitcond, label %for.body6, label %for.end |
| |
| for.body6: ; preds = %for.cond4 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0 |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %tmp, %i.0 |
| store i32 %add, i32* %arrayidx, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body6 |
| %inc = add nsw i32 %k.0, 1 |
| br label %for.cond4 |
| |
| for.end: ; preds = %for.cond4 |
| br label %for.inc7 |
| |
| for.inc7: ; preds = %for.end |
| %inc8 = add nsw i32 %j.0, 1 |
| br label %for.cond1 |
| |
| for.end9: ; preds = %for.cond1 |
| br label %for.inc10 |
| |
| for.inc10: ; preds = %for.end9 |
| %inc11 = add nsw i32 %i.0, 1 |
| br label %for.cond |
| |
| for.end12: ; preds = %for.cond |
| ret void |
| } |