Test for r129190.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129197 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LICM/2011-04-06-HoistMissedASTUpdate.ll b/test/Transforms/LICM/2011-04-06-HoistMissedASTUpdate.ll
new file mode 100644 (file)
index 0000000..5774f58
--- /dev/null
+++ b/test/Transforms/LICM/2011-04-06-HoistMissedASTUpdate.ll
@@ -0,0 +1,32 @@
+; RUN: opt < %s -basicaa -licm -S | FileCheck %s
+; PR9630
+
+@g_39 = external global i16, align 2
+
+declare i32* @func_84(i32** nocapture) nounwind readonly
+
+declare i32** @func_108(i32*** nocapture) nounwind readonly
+
+define void @func() nounwind {
+entry:
+  br label %for.body4.lr.ph
+
+for.body4.lr.ph:
+  br label %for.body4
+
+; CHECK: for.body4:
+; CHECK: volatile load i16* @g_39
+
+for.body4:
+  %l_612.11 = phi i32* [ undef, %for.body4.lr.ph ], [ %call19, %for.body4 ]
+  %tmp7 = volatile load i16* @g_39, align 2
+  %call = call i32** @func_108(i32*** undef)
+  %call19 = call i32* @func_84(i32** %call)
+  br i1 false, label %for.body4, label %for.cond.loopexit
+
+for.cond.loopexit:
+  br i1 false, label %for.body4.lr.ph, label %for.end26
+
+for.end26:
+  ret void
+}