emit padding as undef values, take 2
merge also a few tests I had here for this feature, and FileCheck'ize one file
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101535 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/designated-initializers.c b/test/CodeGen/designated-initializers.c
index 652238f..1ad5e6c 100644
--- a/test/CodeGen/designated-initializers.c
+++ b/test/CodeGen/designated-initializers.c
@@ -1,22 +1,34 @@
-// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o %t
-// RUN: grep "{ i8\* null, i32 1024 }" %t
-// RUN: grep "i32 0, i32 22" %t
+// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
struct foo {
void *a;
int b;
};
+// CHECK: @u = global %union.anon zeroinitializer
union { int i; float f; } u = { };
+// CHECK: @u2 = global %0 { i32 0, [4 x i8] undef }
+union { int i; double f; } u2 = { };
+
+// CHECK: @b = global [2 x i32] [i32 0, i32 22]
+int b[2] = {
+ [1] = 22
+};
+
int main(int argc, char **argv)
{
- union { int i; float f; } u2 = { };
- static struct foo foo = {
- .b = 1024,
- };
-}
+ // CHECK: internal global %struct.foo { i8* null, i32 1024 }
+ static struct foo foo = {
+ .b = 1024,
+ };
-int b[2] = {
- [1] 22
-};
+ // CHECK: bitcast %union.anon* %u2
+ // CHECK: call void @llvm.memset
+ union { int i; float f; } u2 = { };
+
+ // CHECK-NOT: call void @llvm.memset
+ union { int i; float f; } u3;
+
+ // CHECK: ret i32
+}