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-rw-r--r--test/Transforms/InstCombine/gep-addrspace.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/gep-addrspace.ll b/test/Transforms/InstCombine/gep-addrspace.ll
index aa46ea671302..4a4951dee7fd 100644
--- a/test/Transforms/InstCombine/gep-addrspace.ll
+++ b/test/Transforms/InstCombine/gep-addrspace.ll
@@ -32,3 +32,22 @@ entry:
ret void
}
+declare void @escape_alloca(i16*)
+
+; check that addrspacecast is not ignored (leading to an assertion failure)
+; when trying to mark a GEP as inbounds
+define { i8, i8 } @inbounds_after_addrspacecast() {
+top:
+; CHECK-LABEL: @inbounds_after_addrspacecast
+ %0 = alloca i16, align 2
+ call void @escape_alloca(i16* %0)
+ %tmpcast = bitcast i16* %0 to [2 x i8]*
+; CHECK: addrspacecast [2 x i8]* %tmpcast to [2 x i8] addrspace(11)*
+ %1 = addrspacecast [2 x i8]* %tmpcast to [2 x i8] addrspace(11)*
+; CHECK: getelementptr [2 x i8], [2 x i8] addrspace(11)* %1, i64 0, i64 1
+ %2 = getelementptr [2 x i8], [2 x i8] addrspace(11)* %1, i64 0, i64 1
+; CHECK: addrspace(11)
+ %3 = load i8, i8 addrspace(11)* %2, align 1
+ %.fca.1.insert = insertvalue { i8, i8 } zeroinitializer, i8 %3, 1
+ ret { i8, i8 } %.fca.1.insert
+}