// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 -o - %s | FileCheck %s
// PR6024
extern int i;
// CHECK: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z16lvalue_noop_castv() [[NUW:#[0-9]+]]
const int &lvalue_noop_cast() {
if (i == 0)
// CHECK: store i32 17, ptr
return (const int&)17;
else if (i == 1)
// CHECK: store i32 17, ptr
return static_cast<const int&>(17);
// CHECK: store i32 17, ptr
return 17;
}
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z20lvalue_integral_castv()
const short &lvalue_integral_cast() {
if (i == 0)
// CHECK: store i16 17, ptr
return (const short&)17;
else if (i == 1)
// CHECK: store i16 17, ptr
return static_cast<const short&>(17);
// CHECK: store i16 17, ptr
return 17;
}
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z29lvalue_floating_integral_castv()
const short &lvalue_floating_integral_cast() {
if (i == 0)
// CHECK: store i16 17, ptr
return (const short&)17.5;
else if (i == 1)
// CHECK: store i16 17, ptr
return static_cast<const short&>(17.5);
// CHECK: store i16 17, ptr
return 17.5;
}
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z29lvalue_integral_floating_castv()
const float &lvalue_integral_floating_cast() {
if (i == 0)
// CHECK: store float 1.700000e+{{0*}}1, ptr
return (const float&)17;
else if (i == 1)
// CHECK: store float 1.700000e+{{0*}}1, ptr
return static_cast<const float&>(17);
// CHECK: store float 1.700000e+{{0*}}1, ptr
return 17;
}
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z20lvalue_floating_castv()
const float &lvalue_floating_cast() {
if (i == 0)
// CHECK: store float 1.700000e+{{0*}}1, ptr
return (const float&)17.0;
else if (i == 1)
// CHECK: store float 1.700000e+{{0*}}1, ptr
return static_cast<const float&>(17.0);
// CHECK: store float 1.700000e+{{0*}}1, ptr
return 17.0;
}
int get_int();
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z24lvalue_integer_bool_castv()
const bool &lvalue_integer_bool_cast() {
if (i == 0)
// CHECK: call noundef i32 @_Z7get_intv()
// CHECK: store i8
return (const bool&)get_int();
else if (i == 1)
// CHECK: call noundef i32 @_Z7get_intv()
// CHECK: store i8
return static_cast<const bool&>(get_int());
// CHECK: call noundef i32 @_Z7get_intv()
// CHECK: store i8
return get_int();
}
float get_float();
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z25lvalue_floating_bool_castv()
const bool &lvalue_floating_bool_cast() {
if (i == 0)
// CHECK: call noundef float @_Z9get_floatv()
// CHECK: fcmp une float
// CHECK: store i8
return (const bool&)get_float();
else if (i == 1)
// CHECK: call noundef float @_Z9get_floatv()
// CHECK: fcmp une float
// CHECK: store i8
return static_cast<const bool&>(get_float());
// CHECK: call noundef float @_Z9get_floatv()
// CHECK: fcmp une float
// CHECK: store i8
return get_float();
}
struct X { };
typedef int X::*pm;
typedef int (X::*pmf)(int);
pm get_pointer_to_member_data();
pmf get_pointer_to_member_function();
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z26lvalue_ptrmem_to_bool_castv()
const bool &lvalue_ptrmem_to_bool_cast() {
if (i == 0)
// CHECK: call i64 @_Z26get_pointer_to_member_datav()
// CHECK: store i8
// CHECK: store ptr
return (const bool&)get_pointer_to_member_data();
else if (i == 1)
// CHECK: call i64 @_Z26get_pointer_to_member_datav()
// CHECK: store i8
// CHECK: store ptr
return static_cast<const bool&>(get_pointer_to_member_data());
// CHECK: call i64 @_Z26get_pointer_to_member_datav()
// CHECK: store i8
// CHECK: store ptr
return get_pointer_to_member_data();
}
// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z27lvalue_ptrmem_to_bool_cast2v
const bool &lvalue_ptrmem_to_bool_cast2() {
if (i == 0)
// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
// CHECK: store i8
// CHECK: store ptr
return (const bool&)get_pointer_to_member_function();
else if (i == 1)
// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
// CHECK: store i8
// CHECK: store ptr
return static_cast<const bool&>(get_pointer_to_member_function());
// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
// CHECK: store i8
// CHECK: store ptr
return get_pointer_to_member_function();
}
_Complex double get_complex_double();
// CHECK: {{define.*_Z2f1v}}
const _Complex float &f1() {
if (i == 0)
// CHECK: {{call.*_Z18get_complex_doublev}}
// CHECK: fptrunc
// CHECK: fptrunc
// CHECK: store float
// CHECK: store float
return (const _Complex float&)get_complex_double();
else if (i == 1)
// CHECK: {{call.*_Z18get_complex_doublev}}
// CHECK: fptrunc
// CHECK: fptrunc
// CHECK: store float
// CHECK: store float
return static_cast<const _Complex float&>(get_complex_double());
// CHECK: {{call.*_Z18get_complex_doublev}}
// CHECK: fptrunc
// CHECK: fptrunc
// CHECK: store float
// CHECK: store float
return get_complex_double();
}
// CHECK-LABEL: define{{.*}} i32 @_Z7pr10592RKi(ptr
unsigned pr10592(const int &v) {
// CHECK: [[VADDR:%[a-zA-Z0-9.]+]] = alloca ptr
// CHECK-NEXT: [[REFTMP:%[a-zA-Z0-9.]+]] = alloca i32
// CHECK-NEXT: store ptr [[V:%[a-zA-Z0-9.]+]], ptr [[VADDR]]
// CHECK-NEXT: [[VADDR_1:%[a-zA-Z0-9.]+]] = load ptr, ptr [[VADDR]]
// CHECK-NEXT: [[VVAL:%[a-zA-Z0-9.]+]] = load i32, ptr [[VADDR_1]]
// CHECK-NEXT: store i32 [[VVAL]], ptr [[REFTMP]]
// CHECK-NEXT: [[VVAL_I:%[a-zA-Z0-9.]+]] = load i32, ptr [[REFTMP]]
// CHECK-NEXT: ret i32 [[VVAL_I]]
return static_cast<const unsigned &>(v);
}
namespace PR10650 {
struct Helper {
unsigned long long id();
};
unsigned long long test(Helper *obj) {
return static_cast<const unsigned long long&>(obj->id());
}
// CHECK-LABEL: define{{.*}} i64 @_ZN7PR106504testEPNS_6HelperE
// CHECK: store i64
}
// CHECK: attributes [[NUW]] = { mustprogress noinline nounwind{{.*}} }
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