| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| |
| ;void f(long a[], long N, long M) { |
| ; long i, j, k; |
| ; for (j = 0; j < M; ++j) |
| ; if (true) |
| ; a[j] = j; |
| ; else { |
| ; a[j] = M; |
| ; a[j - N] = 0; |
| ; } |
| ;} |
| |
| 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" |
| |
| define void @f(i64* nocapture %a, i64 %N, i64 %M) nounwind { |
| entry: |
| %0 = icmp sgt i64 %M, 0 ; <i1> [#uses=1] |
| br i1 %0, label %bb, label %return |
| |
| bb: ; preds = %bb3, %entry |
| %1 = phi i64 [ 0, %entry ], [ %2, %bb3 ] ; <i64> [#uses=5] |
| %scevgep = getelementptr i64, i64* %a, i64 %1 ; <i64*> [#uses=2] |
| br i1 true, label %bb1, label %bb2 |
| |
| bb1: ; preds = %bb |
| store i64 %1, i64* %scevgep, align 8 |
| br label %bb3 |
| |
| bb2: ; preds = %bb |
| %tmp7 = sub i64 %1, %N ; <i64> [#uses=1] |
| %scevgep8 = getelementptr i64, i64* %a, i64 %tmp7 ; <i64*> [#uses=1] |
| store i64 %M, i64* %scevgep, align 8 |
| store i64 0, i64* %scevgep8, align 8 |
| br label %bb3 |
| |
| bb3: ; preds = %bb2, %bb1 |
| %2 = add nsw i64 %1, 1 ; <i64> [#uses=2] |
| %exitcond = icmp eq i64 %2, %M ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb3, %entry |
| ret void |
| } |
| |
| ; CHECK: Stmt_bb1 |
| ; CHECK: Domain := |
| ; CHECK: [M] -> { Stmt_bb1[i0] : 0 <= i0 < M }; |
| ; CHECK-NOT: Stmt_bb2 |
