Add new testcase for gep instruction -> get constexpr promotion

llvm-svn: 3364

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/test/Regression/Transforms/InstCombine/getelementptr.ll b/llvm/test/Regression/Transforms/InstCombine/getelementptr.ll
index 15795093723..2a482ed0a35 100644
--- a/llvm/test/Regression/Transforms/InstCombine/getelementptr.ll
+++ b/llvm/test/Regression/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
+}