Add a testcase for the GlobalOpt inbounds fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81168 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalOpt/ctor-list-opt-inbounds.ll b/test/Transforms/GlobalOpt/ctor-list-opt-inbounds.ll
new file mode 100644 (file)
index 0000000..18f883e
--- /dev/null
+++ b/test/Transforms/GlobalOpt/ctor-list-opt-inbounds.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | FileCheck %s
+
+; Don't get fooled by the inbounds keyword; it doesn't change
+; the computed address.
+
+; CHECK: @H = global i32 2
+; CHECK: @I = global i32 2
+
+@llvm.global_ctors = appending global [1 x { i32, void ()* }] [ { i32, void ()* } { i32 65535, void ()* @CTOR } ]
+@addr = external global i32
+@G = internal global [6 x [5 x i32]] zeroinitializer
+@H = global i32 80
+@I = global i32 90
+
+define internal void @CTOR() {
+  store i32 1, i32* getelementptr ([6 x [5 x i32]]* @G, i64 0, i64 0, i64 0)
+  store i32 2, i32* getelementptr inbounds ([6 x [5 x i32]]* @G, i64 0, i64 0, i64 0)
+  %t = load i32* getelementptr ([6 x [5 x i32]]* @G, i64 0, i64 0, i64 0)
+  store i32 %t, i32* @H
+  %s = load i32* getelementptr inbounds ([6 x [5 x i32]]* @G, i64 0, i64 0, i64 0)
+  store i32 %s, i32* @I
+  ret void
+}