1 files changed, 62 insertions, 0 deletions
diff --git a/polly/test/GPGPU/double-parallel-loop.ll b/polly/test/GPGPU/double-parallel-loop.ll
new file mode 100644
index 00000000000..35a12193033
--- /dev/null
+++ b/polly/test/GPGPU/double-parallel-loop.ll
@@ -0,0 +1,62 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+; RUN: opt %loadPolly -polly-codegen-ppcg -S < %s
+; REQUIRES: pollyacc
+
+; CHECK: Stmt_bb5
+; CHECK:       Domain :=
+; CHECK:           { Stmt_bb5[i0, i1] : 0 <= i0 <= 1023 and 0 <= i1 <= 1023 };
+; CHECK:       Schedule :=
+; CHECK:           { Stmt_bb5[i0, i1] -> [i0, i1] };
+; CHECK:       ReadAccess :=       [Reduction Type: NONE] [Scalar: 0]
+; CHECK:           { Stmt_bb5[i0, i1] -> MemRef_A[i0, i1] };
+; CHECK:       MustWriteAccess :=  [Reduction Type: NONE] [Scalar: 0]
+; CHECK:           { Stmt_bb5[i0, i1] -> MemRef_A[i0, i1] };
+;
+;    void double_parallel_loop(float A[][1024]) {
+;      for (long i = 0; i < 1024; i++)
+;        for (long j = 0; j < 1024; j++)
+;          A[i][j] += i * j;
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @double_parallel_loop([1024 x float]* %A) {
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb13, %bb
+  %i.0 = phi i64 [ 0, %bb ], [ %tmp14, %bb13 ]
+  %exitcond1 = icmp ne i64 %i.0, 1024
+  br i1 %exitcond1, label %bb3, label %bb15
+
+bb3:                                              ; preds = %bb2
+  br label %bb4
+
+bb4:                                              ; preds = %bb10, %bb3
+  %j.0 = phi i64 [ 0, %bb3 ], [ %tmp11, %bb10 ]
+  %exitcond = icmp ne i64 %j.0, 1024
+  br i1 %exitcond, label %bb5, label %bb12
+
+bb5:                                              ; preds = %bb4
+  %tmp = mul nuw nsw i64 %i.0, %j.0
+  %tmp6 = sitofp i64 %tmp to float
+  %tmp7 = getelementptr inbounds [1024 x float], [1024 x float]* %A, i64 %i.0, i64 %j.0
+  %tmp8 = load float, float* %tmp7, align 4
+  %tmp9 = fadd float %tmp8, %tmp6
+  store float %tmp9, float* %tmp7, align 4
+  br label %bb10
+
+bb10:                                             ; preds = %bb5
+  %tmp11 = add nuw nsw i64 %j.0, 1
+  br label %bb4
+
+bb12:                                             ; preds = %bb4
+  br label %bb13
+
+bb13:                                             ; preds = %bb12
+  %tmp14 = add nuw nsw i64 %i.0, 1
+  br label %bb2
+
+bb15:                                             ; preds = %bb2
+  ret void
+}