1 files changed, 64 insertions, 0 deletions
diff --git a/polly/test/Isl/CodeGen/LoopParallelMD/loop_nest_param_parallel.ll b/polly/test/Isl/CodeGen/LoopParallelMD/loop_nest_param_parallel.ll
new file mode 100644
index 00000000000..e6b0e73ebec
--- /dev/null
+++ b/polly/test/Isl/CodeGen/LoopParallelMD/loop_nest_param_parallel.ll
@@ -0,0 +1,64 @@
+; RUN: opt %loadPolly -polly-codegen-isl -polly-ast-detect-parallel -S < %s | FileCheck %s
+;
+; Check that we mark multiple parallel loops correctly including the memory instructions.
+;
+; CHECK-DAG:  %polly.loop_cond[[COuter:[0-9]*]] = icmp sle i64 %polly.indvar{{[0-9]*}}, 1022
+; CHECK-DAG:  br i1 %polly.loop_cond[[COuter]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop !0
+;
+; CHECK-DAG:  %polly.loop_cond[[CInner:[0-9]*]] = icmp sle i64 %polly.indvar{{[0-9]*}}, 510
+; CHECK-DAG:  br i1 %polly.loop_cond[[CInner]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop !2
+;
+; CHECK-DAG: store i32 %p_tmp{{[0-9]*}}, i32* %p_arrayidx{{[0-9]*}}, !llvm.mem.parallel_loop_access !1
+;
+; CHECK: !0 = metadata !{metadata !0}
+; CHECK: !1 = metadata !{metadata !0, metadata !2}
+; CHECK: !2 = metadata !{metadata !2}
+;
+;    void jd(int *A) {
+;      for (int i = 0; i < 1024; i++)
+;        for (int j = 0; j < 512; j++)
+;          A[i * 512 + j] = i + j;
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @jd(i32* %A) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc5, %entry
+  %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc5 ], [ 0, %entry ]
+  %exitcond6 = icmp ne i64 %indvars.iv3, 1024
+  br i1 %exitcond6, label %for.body, label %for.end7
+
+for.body:                                         ; preds = %for.cond
+  br label %for.cond1
+
+for.cond1:                                        ; preds = %for.inc, %for.body
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ]
+  %exitcond = icmp ne i64 %indvars.iv, 512
+  br i1 %exitcond, label %for.body3, label %for.end
+
+for.body3:                                        ; preds = %for.cond1
+  %tmp = add nsw i64 %indvars.iv3, %indvars.iv
+  %tmp7 = shl nsw i64 %indvars.iv3, 9
+  %tmp8 = add nsw i64 %tmp7, %indvars.iv
+  %arrayidx = getelementptr inbounds i32* %A, i64 %tmp8
+  %tmp9 = trunc i64 %tmp to i32
+  store i32 %tmp9, i32* %arrayidx, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body3
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond1
+
+for.end:                                          ; preds = %for.cond1
+  br label %for.inc5
+
+for.inc5:                                         ; preds = %for.end
+  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
+  br label %for.cond
+
+for.end7:                                         ; preds = %for.cond
+  ret void
+}