| // RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=PPC |
| // RUN: %clang_cc1 -mfloat-abi hard -triple armv7-unknown-linux-gnueabi -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM32 |
| // RUN: %clang_cc1 -mfloat-abi hard -triple aarch64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM64 |
| // RUN: %clang_cc1 -mfloat-abi hard -triple x86_64-unknown-windows-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=X64 |
| |
| #if defined(__x86_64__) |
| #define CC __attribute__((vectorcall)) |
| #else |
| #define CC |
| #endif |
| |
| // Test that C++ classes are correctly classified as homogeneous aggregates. |
| |
| struct Base1 { |
| int x; |
| }; |
| struct Base2 { |
| double x; |
| }; |
| struct Base3 { |
| double x; |
| }; |
| struct D1 : Base1 { // non-homogeneous aggregate |
| double y, z; |
| }; |
| struct D2 : Base2 { // homogeneous aggregate |
| double y, z; |
| }; |
| struct D3 : Base1, Base2 { // non-homogeneous aggregate |
| double y, z; |
| }; |
| struct D4 : Base2, Base3 { // homogeneous aggregate |
| double y, z; |
| }; |
| |
| struct I1 : Base2 {}; |
| struct I2 : Base2 {}; |
| struct I3 : Base2 {}; |
| struct D5 : I1, I2, I3 {}; // homogeneous aggregate |
| |
| // PPC: define void @_Z7func_D12D1(%struct.D1* noalias sret %agg.result, [3 x i64] %x.coerce) |
| // ARM32: define arm_aapcs_vfpcc void @_Z7func_D12D1(%struct.D1* noalias sret %agg.result, [3 x i64] %x.coerce) |
| // ARM64: define void @_Z7func_D12D1(%struct.D1* noalias sret %agg.result, %struct.D1* %x) |
| // X64: define dso_local x86_vectorcallcc void @"\01_Z7func_D12D1@@24"(%struct.D1* noalias sret %agg.result, %struct.D1* %x) |
| D1 CC func_D1(D1 x) { return x; } |
| |
| // PPC: define [3 x double] @_Z7func_D22D2([3 x double] %x.coerce) |
| // ARM32: define arm_aapcs_vfpcc %struct.D2 @_Z7func_D22D2(%struct.D2 %x.coerce) |
| // ARM64: define %struct.D2 @_Z7func_D22D2([3 x double] %x.coerce) |
| // X64: define dso_local x86_vectorcallcc %struct.D2 @"\01_Z7func_D22D2@@24"(%struct.D2 inreg %x.coerce) |
| D2 CC func_D2(D2 x) { return x; } |
| |
| // PPC: define void @_Z7func_D32D3(%struct.D3* noalias sret %agg.result, [4 x i64] %x.coerce) |
| // ARM32: define arm_aapcs_vfpcc void @_Z7func_D32D3(%struct.D3* noalias sret %agg.result, [4 x i64] %x.coerce) |
| // ARM64: define void @_Z7func_D32D3(%struct.D3* noalias sret %agg.result, %struct.D3* %x) |
| D3 CC func_D3(D3 x) { return x; } |
| |
| // PPC: define [4 x double] @_Z7func_D42D4([4 x double] %x.coerce) |
| // ARM32: define arm_aapcs_vfpcc %struct.D4 @_Z7func_D42D4(%struct.D4 %x.coerce) |
| // ARM64: define %struct.D4 @_Z7func_D42D4([4 x double] %x.coerce) |
| D4 CC func_D4(D4 x) { return x; } |
| |
| D5 CC func_D5(D5 x) { return x; } |
| // PPC: define [3 x double] @_Z7func_D52D5([3 x double] %x.coerce) |
| // ARM32: define arm_aapcs_vfpcc %struct.D5 @_Z7func_D52D5(%struct.D5 %x.coerce) |
| |
| // The C++ multiple inheritance expansion case is a little more complicated, so |
| // do some extra checking. |
| // |
| // ARM64-LABEL: define %struct.D5 @_Z7func_D52D5([3 x double] %x.coerce) |
| // ARM64: bitcast %struct.D5* %{{.*}} to [3 x double]* |
| // ARM64: store [3 x double] %x.coerce, [3 x double]* |
| |
| void call_D5(D5 *p) { |
| func_D5(*p); |
| } |
| |
| // Check the call site. |
| // |
| // ARM64-LABEL: define void @_Z7call_D5P2D5(%struct.D5* %p) |
| // ARM64: load [3 x double], [3 x double]* |
| // ARM64: call %struct.D5 @_Z7func_D52D5([3 x double] %{{.*}}) |
| |
| struct Empty { }; |
| struct Float1 { float x; }; |
| struct Float2 { float y; }; |
| struct HVAWithEmptyBase : Float1, Empty, Float2 { float z; }; |
| |
| // PPC: define void @_Z15with_empty_base16HVAWithEmptyBase([3 x float] %a.coerce) |
| // ARM64: define void @_Z15with_empty_base16HVAWithEmptyBase([3 x float] %a.coerce) |
| // ARM32: define arm_aapcs_vfpcc void @_Z15with_empty_base16HVAWithEmptyBase(%struct.HVAWithEmptyBase %a.coerce) |
| void CC with_empty_base(HVAWithEmptyBase a) {} |
| |
| // FIXME: MSVC doesn't consider this an HVA because of the empty base. |
| // X64: define dso_local x86_vectorcallcc void @"\01_Z15with_empty_base16HVAWithEmptyBase@@16"(%struct.HVAWithEmptyBase inreg %a.coerce) |
| |
| struct HVAWithEmptyBitField : Float1, Float2 { |
| int : 0; // Takes no space. |
| float z; |
| }; |
| |
| // PPC: define void @_Z19with_empty_bitfield20HVAWithEmptyBitField([3 x float] %a.coerce) |
| // ARM64: define void @_Z19with_empty_bitfield20HVAWithEmptyBitField([3 x float] %a.coerce) |
| // ARM32: define arm_aapcs_vfpcc void @_Z19with_empty_bitfield20HVAWithEmptyBitField(%struct.HVAWithEmptyBitField %a.coerce) |
| // X64: define dso_local x86_vectorcallcc void @"\01_Z19with_empty_bitfield20HVAWithEmptyBitField@@16"(%struct.HVAWithEmptyBitField inreg %a.coerce) |
| void CC with_empty_bitfield(HVAWithEmptyBitField a) {} |