Add the clang library to the repo (with some of my changes, too).

1 files changed, 119 insertions, 0 deletions

diff --git a/clang/test/CodeGen/decl.c b/clang/test/CodeGen/decl.c
new file mode 100644
index 0000000..2065e33
--- /dev/null
+++ b/clang/test/CodeGen/decl.c
@@ -0,0 +1,119 @@
+// RUN: %clang_cc1 -w -emit-llvm < %s | FileCheck %s
+
+// CHECK: @test1.x = internal constant [12 x i32] [i32 1
+// CHECK: @test2.x = private unnamed_addr constant [13 x i32] [i32 1,
+// CHECK: @test5w = global { i32, [4 x i8] } { i32 2, [4 x i8] undef }
+// CHECK: @test5y = global { double } { double 7.300000e+0{{[0]*}}1 }
+
+// CHECK: @test6.x = private unnamed_addr constant %struct.SelectDest { i8 1, i8 2, i32 3, i32 0 }
+
+// CHECK: @test7 = global [2 x %struct.test7s] [%struct.test7s { i32 1, i32 2 }, %struct.test7s { i32 4, i32 0 }]
+
+void test1() {
+  // This should codegen as a "@test1.x" global.
+  const int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23 };
+  foo(x);
+
+// CHECK: @test1()
+// CHECK: {{call.*@foo.*@test1.x}}
+}
+
+
+// rdar://7346691
+void test2() {
+  // This should codegen as a "@test2.x" global + memcpy.
+  int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23, 24 };
+  foo(x);
+
+  // CHECK: @test2()
+  // CHECK: %x = alloca [13 x i32]
+  // CHECK: call void @llvm.memcpy
+  // CHECK: call{{.*}}@foo{{.*}}i32* %
+}
+
+
+void test3() {
+  // This should codegen as a memset.
+  int x[100] = { 0 };
+  foo(x);
+
+  // CHECK: @test3()
+  // CHECK: %x = alloca [100 x i32]
+  // CHECK: call void @llvm.memset
+}
+
+void test4(void) {
+  char a[10] = "asdf";
+  char b[10] = { "asdf" };
+  // CHECK: @test4()
+  // CHECK: %a = alloca [10 x i8]
+  // CHECK: %b = alloca [10 x i8]
+  // CHECK: call void @llvm.memcpy
+  // CHECK: call void @llvm.memcpy
+}
+
+
+union test5u { int i; double d; };
+
+void test5() {
+  union test5u ola = (union test5u) 351;
+  union test5u olb = (union test5u) 1.0;
+}
+
+union test5u test5w = (union test5u)2;
+union test5u test5y = (union test5u)73.0;
+
+
+
+// PR6660 - sqlite miscompile
+struct SelectDest {
+  unsigned char eDest;
+  unsigned char affinity;
+  int iParm;
+  int iMem;
+};
+
+void test6() {
+  struct SelectDest x = {1, 2, 3};
+  test6f(&x);
+}
+
+// rdar://7657600
+struct test7s { int a; int b; } test7[] = {
+  {1, 2},
+  {4},
+};
+
+// rdar://7872531
+#pragma pack(push, 2)
+struct test8s { int f0; char f1; } test8g = {};
+
+
+// PR7519
+
+struct S {
+  void (*x) (struct S *);
+};
+
+extern struct S *global_dc;
+void cp_diagnostic_starter(struct S *);
+
+void init_error(void) {
+  global_dc->x = cp_diagnostic_starter;
+}
+
+
+
+// rdar://8147692 - ABI crash in recursive struct-through-function-pointer.
+typedef struct {
+  int x5a;
+} x5;
+
+typedef struct x2 *x0;
+typedef long (*x1)(x0 x0a, x5 x6);
+struct x2 {
+  x1 x4;
+};
+long x3(x0 x0a, x5 a) {
+  return x0a->x4(x0a, a);
+}