| ; RUN: opt %loadPolly -polly-scops -analyze -polly-delinearize < %s | FileCheck %s |
| 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-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Derived from the following code: |
| ; |
| ; void foo(long n, long m, double A[n][m]) { |
| ; for (long i = 0; i < n; i++) |
| ; for (long j = 0; j < m; j++) |
| ; A[i][j] = 1.0; |
| ; } |
| |
| ; CHECK: Assumed Context: |
| ; CHECK: [n, m] -> { : } |
| ; CHECK: p0: %n |
| ; CHECK: p1: %m |
| ; CHECK-NOT: p3 |
| |
| ; CHECK: Domain |
| ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] : i0 >= 0 and i0 <= -1 + n and i1 >= 0 and i1 <= -1 + m }; |
| ; CHECK: Scattering |
| ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] -> scattering[0, i0, 0, i1, 0] }; |
| ; CHECK: MustWriteAccess |
| ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] -> MemRef_A[i0, i1] }; |
| |
| define void @foo(i64 %n, i64 %m, double* %A) { |
| entry: |
| br label %for.i |
| |
| for.i: |
| %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] |
| %tmp = mul nsw i64 %i, %m |
| br label %for.j |
| |
| for.j: |
| %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ] |
| %vlaarrayidx.sum = add i64 %j, %tmp |
| %arrayidx = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum |
| store double 1.0, double* %arrayidx |
| %j.inc = add nsw i64 %j, 1 |
| %j.exitcond = icmp eq i64 %j.inc, %m |
| br i1 %j.exitcond, label %for.i.inc, label %for.j |
| |
| for.i.inc: |
| %i.inc = add nsw i64 %i, 1 |
| %i.exitcond = icmp eq i64 %i.inc, %n |
| br i1 %i.exitcond, label %end, label %for.i |
| |
| end: |
| ret void |
| } |