| // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-nacl -emit-llvm -o - %s | FileCheck %s |
| // RUN: %clang_cc1 -std=c++11 -triple=x86_64-unknown-linux-gnux32 -emit-llvm -o - %s | FileCheck %s |
| |
| struct test_struct {}; |
| typedef int test_struct::* test_struct_mdp; |
| typedef int (test_struct::*test_struct_mfp)(); |
| |
| // CHECK-LABEL: define i32 @{{.*}}f_mdp{{.*}}(i32 %a) |
| test_struct_mdp f_mdp(test_struct_mdp a) { return a; } |
| |
| // CHECK-LABEL: define {{.*}} @{{.*}}f_mfp{{.*}}(i64 %a.coerce) |
| test_struct_mfp f_mfp(test_struct_mfp a) { return a; } |
| |
| // A struct with <= 12 bytes before a member data pointer should still |
| // be allowed in registers, since the member data pointer is only 4 bytes. |
| // CHECK-LABEL: define void @{{.*}}f_struct_with_mdp{{.*}}(i64 %a.coerce0, i64 %a.coerce1) |
| struct struct_with_mdp { char *a; char *b; char *c; test_struct_mdp d; }; |
| void f_struct_with_mdp(struct_with_mdp a) { (void)a; } |
| |
| struct struct_with_mdp_too_much { |
| char *a; char *b; char *c; char *d; test_struct_mdp e; |
| }; |
| // CHECK-LABEL: define void @{{.*}}f_struct_with_mdp_too_much{{.*}}({{.*}} byval({{.*}} {{.*}} %a) |
| void f_struct_with_mdp_too_much(struct_with_mdp_too_much a) { |
| (void)a; |
| } |
| |
| // A struct with <= 8 bytes before a member function pointer should still |
| // be allowed in registers, since the member function pointer is only 8 bytes. |
| // CHECK-LABEL: define void @{{.*}}f_struct_with_mfp_0{{.*}}(i64 %a.coerce0, i32 %a.coerce1) |
| struct struct_with_mfp_0 { char *a; test_struct_mfp b; }; |
| void f_struct_with_mfp_0(struct_with_mfp_0 a) { (void)a; } |
| |
| // CHECK-LABEL: define void @{{.*}}f_struct_with_mfp_1{{.*}}(i64 %a.coerce0, i64 %a.coerce1) |
| struct struct_with_mfp_1 { char *a; char *b; test_struct_mfp c; }; |
| void f_struct_with_mfp_1(struct_with_mfp_1 a) { (void)a; } |
| |
| // CHECK-LABEL: define void @{{.*}}f_struct_with_mfp_too_much{{.*}}({{.*}} byval({{.*}}) {{.*}} %a, i32 %x) |
| struct struct_with_mfp_too_much { |
| char *a; char *b; char *c; test_struct_mfp d; |
| }; |
| void f_struct_with_mfp_too_much(struct_with_mfp_too_much a, int x) { |
| (void)a; |
| } |
| |
| /* Struct containing an empty struct */ |
| typedef struct { int* a; test_struct x; double *b; } struct_with_empty; |
| |
| // CHECK-LABEL: define void @{{.*}}f_pass_struct_with_empty{{.*}}(i64 %x{{.*}}, double* %x |
| void f_pass_struct_with_empty(struct_with_empty x) { |
| (void) x; |
| } |
| |
| // CHECK-LABEL: define { i64, double* } @{{.*}}f_return_struct_with_empty |
| struct_with_empty f_return_struct_with_empty() { |
| return {0, {}, 0}; |
| } |