Files
clang-p2996/clang/test/CodeGenCXX/x86_64-arguments.cpp
Daniel Dunbar 3780f0b680 x86_64: Structures with no fields but which have padding should be classified as
integer.
 - This is consistent, but may not be correct. I will revisit x86_64 ABI handling for C++ as a whole at some point.
 - PR5831.

llvm-svn: 91874
2009-12-22 01:19:25 +00:00

28 lines
888 B
C++

// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
// CHECK: [[i64_i64_ty:%.*]] = type { i64, i64 }
// CHECK: [[i64_double_ty:%.*]] = type { i64, double }
// Basic base class test.
struct f0_s0 { unsigned a; };
struct f0_s1 : public f0_s0 { void *b; };
// CHECK: define void @_Z2f05f0_s1([[i64_i64_ty]])
void f0(f0_s1 a0) { }
// Check with two eight-bytes in base class.
struct f1_s0 { unsigned a; unsigned b; float c; };
struct f1_s1 : public f1_s0 { float d;};
// CHECK: define void @_Z2f15f1_s1([[i64_double_ty]])
void f1(f1_s1 a0) { }
// Check with two eight-bytes in base class and merge.
struct f2_s0 { unsigned a; unsigned b; float c; };
struct f2_s1 : public f2_s0 { char d;};
// CHECK: define void @_Z2f25f2_s1([[i64_i64_ty]])
void f2(f2_s1 a0) { }
// PR5831
struct s3_0 {};
struct s3_1 { struct s3_0 a; long b; };
void f3(struct s3_1 x) {}