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-rw-r--r--test/Transforms/InstCombine/getelementptr_cast.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/getelementptr_cast.ll b/test/Transforms/InstCombine/getelementptr_cast.ll
new file mode 100644
index 0000000000000..1d2fcce13d398
--- /dev/null
+++ b/test/Transforms/InstCombine/getelementptr_cast.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+; RUN: notcast {} {getelementptr.*}
+
+@G = external global [3 x i8] ; <[3 x i8]*> [#uses=1]
+
+define i8* @foo(i32 %Idx) {
+ %gep.upgrd.1 = zext i32 %Idx to i64 ; <i64> [#uses=1]
+ %tmp = getelementptr i8* getelementptr ([3 x i8]* @G, i32 0, i32 0), i64 %gep.upgrd.1 ; <i8*> [#uses=1]
+ ret i8* %tmp
+}
+