| ; RUN: opt %loadPolly -polly-scops -pass-remarks-analysis="polly-scops" \ |
| ; RUN: -polly-allow-differing-element-types \ |
| ; RUN: -analyze < %s 2>&1 | FileCheck %s |
| ; |
| ; void foo(long n, long m, char A[][m]) { |
| ; for (long i = 0; i < n; i++) |
| ; for (long j = 0; j < m / 4; j++) |
| ; A[i][j] = *(float *)&A[i][4 * j]; |
| ; } |
| ; |
| ; We do not yet correctly handle multi-dimensional arrays which are accessed |
| ; through different base types. Verify that we correctly bail out. |
| ; |
| ; CHECK: Delinearization assumption: { : false } |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @foo(i64 %n, i64 %m, i8* %A) { |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb20, %bb |
| %i.0 = phi i64 [ 0, %bb ], [ %tmp21, %bb20 ] |
| %tmp = icmp slt i64 %i.0, %n |
| br i1 %tmp, label %bb2, label %bb22 |
| |
| bb2: ; preds = %bb1 |
| br label %bb3 |
| |
| bb3: ; preds = %bb17, %bb2 |
| %j.0 = phi i64 [ 0, %bb2 ], [ %tmp18, %bb17 ] |
| %tmp4 = sdiv i64 %m, 4 |
| %tmp5 = icmp slt i64 %j.0, %tmp4 |
| br i1 %tmp5, label %bb6, label %bb19 |
| |
| bb6: ; preds = %bb3 |
| %tmp7 = shl nsw i64 %j.0, 2 |
| %tmp8 = mul nsw i64 %i.0, %m |
| %tmp9 = getelementptr inbounds i8, i8* %A, i64 %tmp8 |
| %tmp10 = getelementptr inbounds i8, i8* %tmp9, i64 %tmp7 |
| %tmp11 = bitcast i8* %tmp10 to float* |
| %tmp12 = load float, float* %tmp11, align 4 |
| %tmp13 = fptosi float %tmp12 to i8 |
| %tmp14 = mul nsw i64 %i.0, %m |
| %tmp15 = getelementptr inbounds i8, i8* %A, i64 %tmp14 |
| %tmp16 = getelementptr inbounds i8, i8* %tmp15, i64 %j.0 |
| store i8 %tmp13, i8* %tmp16, align 1 |
| br label %bb17 |
| |
| bb17: ; preds = %bb6 |
| %tmp18 = add nuw nsw i64 %j.0, 1 |
| br label %bb3 |
| |
| bb19: ; preds = %bb3 |
| br label %bb20 |
| |
| bb20: ; preds = %bb19 |
| %tmp21 = add nuw nsw i64 %i.0, 1 |
| br label %bb1 |
| |
| bb22: ; preds = %bb1 |
| ret void |
| } |
