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-rw-r--r--clang/test/CodeGen/decl.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/clang/test/CodeGen/decl.c b/clang/test/CodeGen/decl.c
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+++ b/clang/test/CodeGen/decl.c
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+// 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);
+}