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-rw-r--r--test/CodeGen/Generic/invalid-memcpy.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/invalid-memcpy.ll b/test/CodeGen/Generic/invalid-memcpy.ll
new file mode 100644
index 0000000..8448565
--- /dev/null
+++ b/test/CodeGen/Generic/invalid-memcpy.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s
+
+; This testcase is invalid (the alignment specified for memcpy is
+; greater than the alignment guaranteed for Qux or C.0.1173), but it
+; should compile, not crash the code generator.
+
+@C.0.1173 = external constant [33 x i8] ; <[33 x i8]*> [#uses=1]
+
+define void @Bork() {
+entry:
+ %Qux = alloca [33 x i8] ; <[33 x i8]*> [#uses=1]
+ %Qux1 = bitcast [33 x i8]* %Qux to i8* ; <i8*> [#uses=1]
+ call void @llvm.memcpy.i64( i8* %Qux1, i8* getelementptr ([33 x i8]* @C.0.1173, i32 0, i32 0), i64 33, i32 8 )
+ ret void
+}
+
+declare void @llvm.memcpy.i64(i8*, i8*, i64, i32)
+
+