| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| ; |
| ; void bar(); |
| ; void foo(int *A, int *B, long int N, long int M) { |
| ; for (long int j = 0; j < M; ++j) { |
| ; bar(); |
| ; for (long int i = 0; i < N; ++i) |
| ; A[i] += 1; |
| ; for (long int i = 0; i < N; ++i) |
| ; A[i] += 1; |
| ; } |
| ; } |
| ; |
| ; Test to check that the scop only counts loop depth for loops fully contained |
| ; in the scop. |
| ; CHECK: Max Loop Depth: 1 |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @foo(i32* %A, i32* %B, i64 %N, i64 %M) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc13, %entry |
| %j.0 = phi i64 [ 0, %entry ], [ %inc14, %for.inc13 ] |
| %cmp = icmp slt i64 %j.0, %M |
| br i1 %cmp, label %for.body, label %for.end15 |
| |
| for.body: ; preds = %for.cond |
| call void (...) @bar() #2 |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.inc, %for.body |
| %i.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ] |
| %cmp2 = icmp slt i64 %i.0, %N |
| br i1 %cmp2, label %for.body3, label %for.end |
| |
| for.body3: ; preds = %for.cond1 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.0 |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %tmp, 1 |
| store i32 %add, i32* %arrayidx, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body3 |
| %inc = add nuw nsw i64 %i.0, 1 |
| br label %for.cond1 |
| |
| for.end: ; preds = %for.cond1 |
| br label %for.cond5 |
| |
| for.cond5: ; preds = %for.inc10, %for.end |
| %i4.0 = phi i64 [ 0, %for.end ], [ %inc11, %for.inc10 ] |
| %cmp6 = icmp slt i64 %i4.0, %N |
| br i1 %cmp6, label %for.body7, label %for.end12 |
| |
| for.body7: ; preds = %for.cond5 |
| %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %i4.0 |
| %tmp1 = load i32, i32* %arrayidx8, align 4 |
| %add9 = add nsw i32 %tmp1, 1 |
| store i32 %add9, i32* %arrayidx8, align 4 |
| br label %for.inc10 |
| |
| for.inc10: ; preds = %for.body7 |
| %inc11 = add nuw nsw i64 %i4.0, 1 |
| br label %for.cond5 |
| |
| for.end12: ; preds = %for.cond5 |
| br label %for.inc13 |
| |
| for.inc13: ; preds = %for.end12 |
| %inc14 = add nuw nsw i64 %j.0, 1 |
| br label %for.cond |
| |
| for.end15: ; preds = %for.cond |
| ret void |
| } |
| |
| declare void @bar(...) #1 |
| |