| ; RUN: opt %loadPolly -polly-scops \ |
| ; RUN: -analyze < %s | FileCheck %s |
| ; |
| ; Check that we do not generate any scalar dependences regarding x. It is |
| ; defined and used on the non-affine subregion only, thus we do not need |
| ; to represent the definition and uses in the model. |
| ; |
| ; CHECK: Stmt_bb2__TO__bb11 |
| ; CHECK-NOT: [Scalar: 1] |
| ; CHECK-NOT: MemRef_x |
| ; |
| ; void f(int *A) { |
| ; int x; |
| ; for (int i = 0; i < 1024; i++) { |
| ; if (A[i]) { |
| ; if (i > 512) |
| ; x = 1; |
| ; else |
| ; x = 2; |
| ; A[i] = x; |
| ; } |
| ; } |
| ; } |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(i32* %A) { |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb12, %bb |
| %indvars.iv = phi i64 [ %indvars.iv.next, %bb12 ], [ 0, %bb ] |
| %exitcond = icmp ne i64 %indvars.iv, 1024 |
| br i1 %exitcond, label %bb2, label %bb13 |
| |
| bb2: ; preds = %bb1 |
| %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| %tmp3 = load i32, i32* %tmp, align 4 |
| %tmp4 = icmp eq i32 %tmp3, 0 |
| br i1 %tmp4, label %bb11, label %bb5 |
| |
| bb5: ; preds = %bb2 |
| %tmp6 = icmp sgt i64 %indvars.iv, 512 |
| br i1 %tmp6, label %bb7, label %bb8 |
| |
| bb7: ; preds = %bb5 |
| br label %bb9 |
| |
| bb8: ; preds = %bb5 |
| br label %bb9 |
| |
| bb9: ; preds = %bb8, %bb7 |
| %x.0 = phi i32 [ 1, %bb7 ], [ 2, %bb8 ] |
| %tmp10 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| store i32 %x.0, i32* %tmp10, align 4 |
| br label %bb11 |
| |
| bb11: ; preds = %bb2, %bb9 |
| br label %bb12 |
| |
| bb12: ; preds = %bb11 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %bb1 |
| |
| bb13: ; preds = %bb1 |
| ret void |
| } |
