clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp

   1 // RUN: %clang_cc1 -std=c++11 -S -triple x86_64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s
   2
   3 struct S {
   4   S(int x) { }
   5   S(int x, double y, double z) { }
   6 };
   7
   8 void fn1() {
   9   // CHECK-LABEL: define{{.*}} void @_Z3fn1v
  10   S s { 1 };
  11   // CHECK: alloca %struct.S, align 1
  12   // CHECK: call void @_ZN1SC1Ei(ptr {{[^,]*}} %s, i32 noundef 1)
  13 }
  14
  15 void fn2() {
  16   // CHECK-LABEL: define{{.*}} void @_Z3fn2v
  17   S s { 1, 2.0, 3.0 };
  18   // CHECK: alloca %struct.S, align 1
  19   // CHECK: call void @_ZN1SC1Eidd(ptr {{[^,]*}} %s, i32 noundef 1, double noundef 2.000000e+00, double noundef 3.000000e+00)
  20 }
  21
  22 void fn3() {
  23   // CHECK-LABEL: define{{.*}} void @_Z3fn3v
  24   S sa[] { { 1 }, { 2 }, { 3 } };
  25   // CHECK: alloca [3 x %struct.S], align 1
  26   // CHECK: call void @_ZN1SC1Ei(ptr {{[^,]*}} %{{.+}}, i32 noundef 1)
  27   // CHECK: call void @_ZN1SC1Ei(ptr {{[^,]*}} %{{.+}}, i32 noundef 2)
  28   // CHECK: call void @_ZN1SC1Ei(ptr {{[^,]*}} %{{.+}}, i32 noundef 3)
  29 }
  30
  31 void fn4() {
  32   // CHECK-LABEL: define{{.*}} void @_Z3fn4v
  33   S sa[] { { 1, 2.0, 3.0 }, { 4, 5.0, 6.0 } };
  34   // CHECK: alloca [2 x %struct.S], align 1
  35   // CHECK: call void @_ZN1SC1Eidd(ptr {{[^,]*}} %{{.+}}, i32 noundef 1, double noundef 2.000000e+00, double noundef 3.000000e+00)
  36   // CHECK: call void @_ZN1SC1Eidd(ptr {{[^,]*}} %{{.+}}, i32 noundef 4, double noundef 5.000000e+00, double noundef 6.000000e+00)
  37 }
  38
  39 namespace TreeTransformBracedInit {
  40   struct S {};
  41   struct T { T(const S &); T(const T&); ~T(); };
  42   void x(const T &);
  43   template<typename> void foo(const S &s) {
  44     // Instantiation of this expression used to lose the CXXBindTemporaryExpr
  45     // node and thus not destroy the temporary.
  46     x({s});
  47   }
  48   template void foo<void>(const S&);
  49   // CHECK: define {{.*}} void @_ZN23TreeTransformBracedInit3fooIvEEvRKNS_1SE(
  50   // CHECK: call void @_ZN23TreeTransformBracedInit1TC1ERKNS_1SE(
  51   // CHECK-NEXT: call void @_ZN23TreeTransformBracedInit1xERKNS_1TE(
  52   // CHECK-NEXT: call void @_ZN23TreeTransformBracedInit1TD1Ev(
  53 }