diff options
| author | Francois Pichet <pichet2000@gmail.com> | 2010-11-23 06:07:27 +0000 |
|---|---|---|
| committer | Francois Pichet <pichet2000@gmail.com> | 2010-11-23 06:07:27 +0000 |
| commit | 8e161ed8e63bd9d3783a987d837b72b2b96c4512 (patch) | |
| tree | b7b0931b5eba905a8b2a96aec155a783db817ba8 /test/CodeGen/ms-anonymous-struct.c | |
| parent | 67452f51aec1ad8a3e4c6622c0c57c5d8dc1b6a3 (diff) | |
Microsoft C anonymous struct implementation.
Documentation: http://msdn.microsoft.com/en-us/library/z2cx9y4f.aspx
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120000 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ms-anonymous-struct.c')
| -rw-r--r-- | test/CodeGen/ms-anonymous-struct.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/CodeGen/ms-anonymous-struct.c b/test/CodeGen/ms-anonymous-struct.c new file mode 100644 index 0000000000..280a40cca9 --- /dev/null +++ b/test/CodeGen/ms-anonymous-struct.c @@ -0,0 +1,99 @@ +// RUN: %clang_cc1 -fms-extensions -emit-llvm -o - %s | FileCheck %s
+
+// CHECK: %struct.nested1 = type { i32, i32 }
+typedef struct nested1 {
+ long a1;
+ long b1;
+} NESTED1;
+
+// CHECK: %struct.nested2 = type { i32, %struct.nested1, i32 }
+struct nested2 {
+ long a;
+ NESTED1;
+ long b;
+};
+
+// CHECK: %struct.test = type { i32, %struct.nested2, i32 }
+struct test {
+ int x;
+ struct nested2;
+ int y;
+};
+
+
+void foo()
+{
+ // CHECK: %var = alloca %struct.test, align 4
+ struct test var;
+
+ // CHECK: getelementptr inbounds %struct.test* %var, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.a;
+
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %var, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 2
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.b;
+
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %var, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested1* %{{.*}}, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.a1;
+
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}var, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested1* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.b1;
+
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %var, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.x;
+
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %var, i32 0, i32 2
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var.y;
+}
+
+void foo2(struct test* var)
+{
+ // CHECK: alloca %struct.test*, align 4
+ // CHECK-NEXT: store %struct.test* %var, %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->a;
+
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 2
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->b;
+
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested1* %{{.*}}, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->a1;
+
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested2* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: getelementptr inbounds %struct.nested1* %{{.*}}, i32 0, i32 1
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->b1;
+
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 0
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->x;
+
+ // CHECK-NEXT: load %struct.test** %{{.*}}, align 4
+ // CHECK-NEXT: getelementptr inbounds %struct.test* %{{.*}}, i32 0, i32 2
+ // CHECK-NEXT: load i32* %{{.*}}, align 4
+ var->y;
+}
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