| 1 | // RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG |
| 2 | // RUN: %clang_cc1 -triple i386-apple-darwin9 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC |
| 3 | // RUN: %clang_cc1 -triple i386-apple-darwin9 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG |
| 4 | // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC |
| 5 | // RUN: %clang_cc1 -triple i386-pc-linux-gnu -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC |
| 6 | // RUN: %clang_cc1 -triple i386-pc-linux-gnu -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG |
| 7 | // RUN: %clang_cc1 -triple i386-pc-win32 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG |
| 8 | // RUN: %clang_cc1 -triple i386-pc-win32 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC |
| 9 | // RUN: %clang_cc1 -triple i386-pc-win32 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG |
| 10 | |
| 11 | typedef struct { int a,b,c,d; } Big; |
| 12 | typedef struct { int i; } Small; |
| 13 | typedef struct { short s; } Short; |
| 14 | typedef struct { } ZeroSized; |
| 15 | |
| 16 | // CHECK-LABEL: define void @returnBig |
| 17 | // CHECK: ret void |
| 18 | Big returnBig(Big x) { return x; } |
| 19 | |
| 20 | // CHECK-PCC-LABEL: define {{(dso_local )?}}void @returnSmall |
| 21 | // CHECK-PCC: ret void |
| 22 | // CHECK-REG-LABEL: define {{(dso_local )?}}i32 @returnSmall |
| 23 | // CHECK-REG: ret i32 |
| 24 | Small returnSmall(Small x) { return x; } |
| 25 | |
| 26 | // CHECK-PCC-LABEL: define {{(dso_local )?}}void @returnShort |
| 27 | // CHECK-PCC: ret void |
| 28 | // CHECK-REG-LABEL: define {{(dso_local )?}}i16 @returnShort |
| 29 | // CHECK-REG: ret i16 |
| 30 | Short returnShort(Short x) { return x; } |
| 31 | |
| 32 | // CHECK-LABEL: define void @returnZero() |
| 33 | // CHECK: ret void |
| 34 | ZeroSized returnZero(ZeroSized x) { return x; } |
| 35 | |