1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/getelementptr_const.ll b/test/Transforms/InstCombine/getelementptr_const.ll
new file mode 100644
index 0000000..a4150de
--- /dev/null
+++ b/test/Transforms/InstCombine/getelementptr_const.ll
@@ -0,0 +1,13 @@
+; Test folding of constantexpr geps into normal geps.
+; RUN: llvm-as < %s | opt -instcombine -gcse -instcombine | llvm-dis | not grep getelementptr
+
+%Array = external global [40 x int]
+
+int %test(long %X) {
+	%A = getelementptr int* getelementptr ([40 x int]* %Array, long 0, long 0), long %X
+	%B = getelementptr [40 x int]* %Array, long 0, long %X
+	%a = cast int* %A to int
+	%b = cast int* %B to int
+	%c = sub int %a, %b
+	ret int %c
+}