am 31195f0b: Merge "Update aosp/master llvm for rebase to r233350"

* commit '31195f0bdca6ee2a5e72d07edf13e1d81206d949':
  Update aosp/master llvm for rebase to r233350

1 files changed, 103 insertions, 0 deletions

diff --git a/test/Analysis/DependenceAnalysis/Constraints.ll b/test/Analysis/DependenceAnalysis/Constraints.ll
new file mode 100644
index 0000000..42dfac7
--- /dev/null
+++ b/test/Analysis/DependenceAnalysis/Constraints.ll
@@ -0,0 +1,103 @@
+; RUN: opt < %s -analyze -basicaa -da
+;; Check that this code doesn't abort. Test case is reduced version of lnt Polybench benchmark test case dynprog.
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@sum_c = common global [10 x [10 x [10 x i32]]] zeroinitializer
+@c = common global [10 x [10 x i32]] zeroinitializer
+@W = common global [10 x [10 x i32]] zeroinitializer
+@out_l = common global i32 0
+
+; Function Attrs: nounwind uwtable
+define void @dep_constraint_crash_test(i32 %M, i32 %N) {
+  %1 = icmp sgt i32 %N, 0
+  br i1 %1, label %.preheader.lr.ph, label %35
+
+.preheader.lr.ph:                                 ; preds = %0
+  %2 = add nsw i32 %M, -2
+  %3 = icmp slt i32 %M, 2
+  %4 = add nsw i32 %M, -1
+  %5 = sext i32 %4 to i64
+  %6 = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @c, i64 0, i64 0, i64 %5
+  %7 = add nsw i32 %M, -1
+  %out_l.promoted = load i32, i32* @out_l
+  %8 = sext i32 %7 to i64
+  %9 = sext i32 %2 to i64
+  br label %.preheader
+
+.preheader:                                       ; preds = %._crit_edge7, %.preheader.lr.ph
+  %10 = phi i32 [ %out_l.promoted, %.preheader.lr.ph ], [ %33, %._crit_edge7 ]
+  %iter.08 = phi i32 [ 0, %.preheader.lr.ph ], [ %34, %._crit_edge7 ]
+  br i1 %3, label %._crit_edge7, label %.lr.ph6
+
+.loopexit:                                        ; preds = %._crit_edge, %.lr.ph6
+  %11 = icmp slt i64 %indvars.iv23, %9
+  %indvars.iv.next18 = add nuw nsw i64 %indvars.iv17, 1
+  %indvars.iv.next14 = add nuw i32 %indvars.iv13, 1
+  br i1 %11, label %.lr.ph6, label %._crit_edge7
+
+.lr.ph6:                                          ; preds = %.preheader, %.loopexit
+  %indvars.iv23 = phi i64 [ %indvars.iv.next24, %.loopexit ], [ 0, %.preheader ]
+  %indvars.iv17 = phi i64 [ %indvars.iv.next18, %.loopexit ], [ 1, %.preheader ]
+  %indvars.iv13 = phi i32 [ %indvars.iv.next14, %.loopexit ], [ 1, %.preheader ]
+  %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
+  %12 = icmp slt i64 %indvars.iv23, %8
+  br i1 %12, label %.lr.ph4, label %.loopexit
+
+.lr.ph4:                                          ; preds = %.lr.ph6, %._crit_edge
+  %indvars.iv19 = phi i64 [ %indvars.iv.next20, %._crit_edge ], [ %indvars.iv17, %.lr.ph6 ]
+  %indvars.iv15 = phi i32 [ %indvars.iv.next16, %._crit_edge ], [ %indvars.iv13, %.lr.ph6 ]
+  %13 = getelementptr inbounds [10 x [10 x [10 x i32]]], [10 x [10 x [10 x i32]]]* @sum_c, i64 0, i64 %indvars.iv23, i64 %indvars.iv19, i64 %indvars.iv23
+  store i32 0, i32* %13
+  %14 = add nsw i64 %indvars.iv19, -1
+  %15 = icmp slt i64 %indvars.iv23, %14
+  br i1 %15, label %.lr.ph, label %._crit_edge
+
+.lr.ph:                                           ; preds = %.lr.ph4, %.lr.ph
+  %indvars.iv11 = phi i64 [ %indvars.iv.next12, %.lr.ph ], [ %indvars.iv17, %.lr.ph4 ]
+  %16 = add nsw i64 %indvars.iv11, -1
+  %17 = getelementptr inbounds [10 x [10 x [10 x i32]]], [10 x [10 x [10 x i32]]]* @sum_c, i64 0, i64 %indvars.iv23, i64 %indvars.iv19, i64 %16
+  %18 = load i32, i32* %17
+  %19 = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @c, i64 0, i64 %indvars.iv23, i64 %indvars.iv11
+  %20 = load i32, i32* %19
+  %21 = add nsw i32 %20, %18
+  %22 = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @c, i64 0, i64 %indvars.iv11, i64 %indvars.iv19
+  %23 = load i32, i32* %22
+  %24 = add nsw i32 %21, %23
+  %25 = getelementptr inbounds [10 x [10 x [10 x i32]]], [10 x [10 x [10 x i32]]]* @sum_c, i64 0, i64 %indvars.iv23, i64 %indvars.iv19, i64 %indvars.iv11
+  store i32 %24, i32* %25
+  %indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1
+  %lftr.wideiv = trunc i64 %indvars.iv.next12 to i32
+  %exitcond = icmp eq i32 %lftr.wideiv, %indvars.iv15
+  br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph4
+  %26 = getelementptr inbounds [10 x [10 x [10 x i32]]], [10 x [10 x [10 x i32]]]* @sum_c, i64 0, i64 %indvars.iv23, i64 %indvars.iv19, i64 %14
+  %27 = load i32, i32* %26
+  %28 = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @W, i64 0, i64 %indvars.iv23, i64 %indvars.iv19
+  %29 = load i32, i32* %28
+  %30 = add nsw i32 %29, %27
+  %31 = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @c, i64 0, i64 %indvars.iv23, i64 %indvars.iv19
+  store i32 %30, i32* %31
+  %indvars.iv.next16 = add nuw i32 %indvars.iv15, 1
+  %indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1
+  %lftr.wideiv21 = trunc i64 %indvars.iv.next20 to i32
+  %exitcond22 = icmp eq i32 %lftr.wideiv21, %M
+  br i1 %exitcond22, label %.loopexit, label %.lr.ph4
+
+._crit_edge7:                                     ; preds = %.loopexit, %.preheader
+  %32 = load i32, i32* %6
+  %33 = add nsw i32 %10, %32
+  %34 = add nuw nsw i32 %iter.08, 1
+  %exitcond25 = icmp eq i32 %34, %N
+  br i1 %exitcond25, label %._crit_edge9, label %.preheader
+
+._crit_edge9:                                     ; preds = %._crit_edge7
+  store i32 %33, i32* @out_l
+  br label %35
+
+; <label>:35                                      ; preds = %._crit_edge9, %0
+  ret void
+}
+