Add new testcase for gep instruction -> get constexpr promotion

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3364 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll
index 15795093723e584242fa1a9fcee78f6f78de28fe..2a482ed0a356ea94c9895c823c0269d990d413f8 100644 (file)
--- a/test/Transforms/InstCombine/getelementptr.ll
+++ b/test/Transforms/InstCombine/getelementptr.ll
@@ -5,6 +5,8 @@
 ; RUN: else exit 0
 ; RUN: fi
 
+%Global = constant [10 x sbyte] c"helloworld"
+
 implementation
 
 int *"foo1"(int * %I) { ; Test noop elimination
@@ -27,3 +29,9 @@ int* %foo4({int} *%I) { ; Test that two getelementptr insts fold
        %B = getelementptr {int}* %A, uint 0, ubyte 0
        ret int* %B
 }
+
+sbyte * %foo5() {
+       ; This should be turned into a constexpr instead of being an instruction
+       %A = getelementptr [10 x sbyte]* %Global, uint 0, uint 4
+       ret sbyte* %A
+}