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| -rw-r--r-- | polly/test/ScopInfo/multidim_2d-diagonal-matrix.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/polly/test/ScopInfo/multidim_2d-diagonal-matrix.ll b/polly/test/ScopInfo/multidim_2d-diagonal-matrix.ll new file mode 100644 index 00000000000..56472e049d9 --- /dev/null +++ b/polly/test/ScopInfo/multidim_2d-diagonal-matrix.ll @@ -0,0 +1,39 @@ +; 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, double A[n][n]) { +; for (long i = 0; i < n; i++) +; A[i][i] = 1.0; +; } + +; CHECK: p0: %n +; CHECK-NOT: p1 + +; CHECK: Domain := +; CHECK: [n] -> { Stmt_for_i[i0] : i0 >= 0 and i0 <= -1 + n }; +; CHECK: Scattering := +; CHECK: [n] -> { Stmt_for_i[i0] -> scattering[0, i0, 0] }; +; CHECK: MustWriteAccess := +; CHECK: [n] -> { Stmt_for_i[i0] -> MemRef_A[i0, i0] }; + + +define void @foo(i64 %n, double* %A) { +entry: + br label %for.i + +for.i: + %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i ] + %tmp = mul nsw i64 %i, %n + %vlaarrayidx.sum = add i64 %i, %tmp + %arrayidx = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum + store double 1.0, double* %arrayidx + %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 +} |
