another random testcase that shouldn't crash gvn and is

good for coverage with future changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61011 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll b/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll
new file mode 100644 (file)
index 0000000..9bcfcac
--- /dev/null
+++ b/test/Transforms/GVN/2008-12-14-rle-reanalyze.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -gvn | llvm-dis
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin7"
+@sort_value = external global [256 x i32], align 32            ; <[256 x i32]*> [#uses=2]
+
+define i32 @Quiesce(i32 %alpha, i32 %beta, i32 %wtm, i32 %ply) nounwind {
+entry:
+       br label %bb22
+
+bb22:          ; preds = %bb23, %bb22, %entry
+       br i1 false, label %bb23, label %bb22
+
+bb23:          ; preds = %bb23, %bb22
+       %sortv.233 = phi i32* [ getelementptr ([256 x i32]* @sort_value, i32 0, i32 0), %bb22 ], [ %sortv.2, %bb23 ]            ; <i32*> [#uses=1]
+       %0 = load i32* %sortv.233, align 4              ; <i32> [#uses=0]
+       %sortv.2 = getelementptr [256 x i32]* @sort_value, i32 0, i32 0         ; <i32*> [#uses=1]
+       br i1 false, label %bb23, label %bb22
+}