add a testcase for PR12094 and fix a crash on pointer to incomplete type,
reported by Richard Smith.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151993 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/builtin-memfns.c b/test/CodeGen/builtin-memfns.c
index fb4d720..e4389f6 100644
--- a/test/CodeGen/builtin-memfns.c
+++ b/test/CodeGen/builtin-memfns.c
@@ -48,3 +48,14 @@
int test6(char *X) {
return __builtin___memcpy_chk(X, X, 42, 42) != 0;
}
+
+// CHECK: @test7
+// PR12094
+int test7(int *p) {
+ // CHECK: call void @llvm.memset{{.*}}256, i32 4, i1 false)
+ __builtin_memset(p, 0, 256); // Should be alignment = 4
+ struct snd_pcm_hw_params_t* hwparams; // incomplete type.
+
+ __builtin_memset(hwparams, 0, 256); // No crash alignment = 1
+ // CHECK: call void @llvm.memset{{.*}}256, i32 1, i1 false)
+}