mirror of https://github.com/microsoft/clang.git
35 lines
1.8 KiB
C
35 lines
1.8 KiB
C
// RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
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// RUN: %clang_cc1 -triple i386-apple-darwin9 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
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// RUN: %clang_cc1 -triple i386-apple-darwin9 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
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// RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
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// RUN: %clang_cc1 -triple i386-pc-linux-gnu -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
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// RUN: %clang_cc1 -triple i386-pc-linux-gnu -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
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// RUN: %clang_cc1 -triple i386-pc-win32 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
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// RUN: %clang_cc1 -triple i386-pc-win32 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
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// RUN: %clang_cc1 -triple i386-pc-win32 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
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typedef struct { int a,b,c,d; } Big;
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typedef struct { int i; } Small;
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typedef struct { short s; } Short;
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typedef struct { } ZeroSized;
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// CHECK-LABEL: define void @returnBig
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// CHECK: ret void
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Big returnBig(Big x) { return x; }
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// CHECK-PCC-LABEL: define {{(dso_local )?}}void @returnSmall
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// CHECK-PCC: ret void
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// CHECK-REG-LABEL: define {{(dso_local )?}}i32 @returnSmall
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// CHECK-REG: ret i32
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Small returnSmall(Small x) { return x; }
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// CHECK-PCC-LABEL: define {{(dso_local )?}}void @returnShort
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// CHECK-PCC: ret void
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// CHECK-REG-LABEL: define {{(dso_local )?}}i16 @returnShort
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// CHECK-REG: ret i16
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Short returnShort(Short x) { return x; }
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// CHECK-LABEL: define void @returnZero()
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// CHECK: ret void
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ZeroSized returnZero(ZeroSized x) { return x; }
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