Correctly handle designated initializers which modify an array initialized
with a string. This case is sort of tricky because we can't modify the
StringLiteral used to represent such initializers.
We are forced to decompose the string into individual characters.
Fixes <rdar://problem/10465114>.
llvm-svn: 183791
diff --git a/clang/test/CodeGen/designated-initializers.c b/clang/test/CodeGen/designated-initializers.c
index 6561ce5..b418986 100644
--- a/clang/test/CodeGen/designated-initializers.c
+++ b/clang/test/CodeGen/designated-initializers.c
@@ -52,6 +52,36 @@
.b = 3
};
+
+// <rdar://problem/10465114>
+struct overwrite_string_struct1 {
+ __typeof(L"foo"[0]) L[6];
+ int M;
+} overwrite_string1[] = { { { L"foo" }, 1 }, [0].L[2] = L'x'};
+// CHECK: [6 x i32] [i32 102, i32 111, i32 120, i32 0, i32 0, i32 0], i32 1
+struct overwrite_string_struct2 {
+ char L[6];
+ int M;
+} overwrite_string2[] = { { { "foo" }, 1 }, [0].L[2] = 'x'};
+// CHECK: [6 x i8] c"fox\00\00\00", i32 1
+struct overwrite_string_struct3 {
+ char L[3];
+ int M;
+} overwrite_string3[] = { { { "foo" }, 1 }, [0].L[2] = 'x'};
+// CHECK: [3 x i8] c"fox", i32 1
+struct overwrite_string_struct4 {
+ char L[3];
+ int M;
+} overwrite_string4[] = { { { "foobar" }, 1 }, [0].L[2] = 'x'};
+// CHECK: [3 x i8] c"fox", i32 1
+struct overwrite_string_struct5 {
+ char L[6];
+ int M;
+} overwrite_string5[] = { { { "foo" }, 1 }, [0].L[4] = 'y'};
+// CHECK: [6 x i8] c"foo\00y\00", i32 1
+
+
+
void test1(int argc, char **argv)
{
// CHECK: internal global %struct.foo { i8* null, i32 1024 }