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Member "cfe-9.0.0.src/test/CodeGenCXX/cxx11-user-defined-literal.cpp" (8 Feb 2019, 3209 Bytes) of package /linux/misc/cfe-9.0.0.src.tar.xz:


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    1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s
    2 
    3 struct S { S(); ~S(); S(const S &); void operator()(int); };
    4 using size_t = decltype(sizeof(int));
    5 S operator"" _x(const char *, size_t);
    6 S operator"" _y(wchar_t);
    7 S operator"" _z(unsigned long long);
    8 S operator"" _f(long double);
    9 S operator"" _r(const char *);
   10 template<char...Cs> S operator"" _t() { return S(); }
   11 
   12 // CHECK: @[[s_foo:.*]] = {{.*}} constant [4 x i8] c"foo\00"
   13 // CHECK: @[[s_bar:.*]] = {{.*}} constant [4 x i8] c"bar\00"
   14 // CHECK: @[[s_123:.*]] = {{.*}} constant [4 x i8] c"123\00"
   15 // CHECK: @[[s_4_9:.*]] = {{.*}} constant [4 x i8] c"4.9\00"
   16 // CHECK: @[[s_0xffffeeee:.*]] = {{.*}} constant [11 x i8] c"0xffffeeee\00"
   17 
   18 void f() {
   19   // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_foo]], i64 0, i64 0), i64 3)
   20   // CHECK: call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_bar]], i64 0, i64 0), i64 3)
   21   // CHECK: call void @_Zli2_yw({{.*}} 97)
   22   // CHECK: call void @_Zli2_zy({{.*}} 42)
   23   // CHECK: call void @_Zli2_fe({{.*}} x86_fp80 0xK3FFF8000000000000000)
   24   // CHECK: call void @_ZN1SD1Ev({{.*}})
   25   // CHECK: call void @_ZN1SD1Ev({{.*}})
   26   // CHECK: call void @_ZN1SD1Ev({{.*}})
   27   // CHECK: call void @_ZN1SD1Ev({{.*}})
   28   // CHECK: call void @_ZN1SD1Ev({{.*}})
   29   "foo"_x, "bar"_x, L'a'_y, 42_z, 1.0_f;
   30 
   31   // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_123]], i64 0, i64 0))
   32   // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[s_4_9]], i64 0, i64 0))
   33   // CHECK: call void @_Zli2_rPKc({{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @[[s_0xffffeeee]], i64 0, i64 0))
   34   // CHECK: call void @_ZN1SD1Ev({{.*}})
   35   // CHECK: call void @_ZN1SD1Ev({{.*}})
   36   // CHECK: call void @_ZN1SD1Ev({{.*}})
   37   123_r, 4.9_r, 0xffff\
   38 eeee_r;
   39 
   40   // FIXME: This mangling is insane. Maybe we should have a special case for
   41   // char parameter packs?
   42   // CHECK: call void @_Zli2_tIJLc48ELc120ELc49ELc50ELc51ELc52ELc53ELc54ELc55ELc56EEE1Sv({{.*}})
   43   // CHECK: call void @_ZN1SD1Ev({{.*}})
   44   0x12345678_t;
   45 }
   46 
   47 // CHECK: define {{.*}} @_Zli2_tIJLc48ELc120ELc49ELc50ELc51ELc52ELc53ELc54ELc55ELc56EEE1Sv(
   48 
   49 template<typename T> auto g(T t) -> decltype("foo"_x(t)) { return "foo"_x(t); }
   50 template<typename T> auto i(T t) -> decltype(operator"" _x("foo", 3)(t)) { return operator"" _x("foo", 3)(t); }
   51 
   52 void h() {
   53   g(42);
   54   i(42);
   55 }
   56 
   57 // CHECK: define {{.*}} @_Z1hv()
   58 // CHECK:   call void @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32 42)
   59 // CHECK:   call void @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32 42)
   60 
   61 // CHECK: define {{.*}} @_Z1gIiEDTclclL_Zli2_xPKcmELA4_S0_ELm3EEfp_EET_(i32
   62 // CHECK:   call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @{{.*}}, i64 0, i64 0), i64 3)
   63 // CHECK:   call void @_ZN1SclEi
   64 // CHECK:   call void @_ZN1SD1Ev
   65 
   66 // CHECK: define {{.*}} @_Z1iIiEDTclclL_Zli2_xPKcmELA4_S0_ELi3EEfp_EET_(i32
   67 // CHECK:   call void @_Zli2_xPKcm({{.*}}, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @{{.*}}, i64 0, i64 0), i64 3)
   68 // CHECK:   call void @_ZN1SclEi
   69 // CHECK:   call void @_ZN1SD1Ev