summaryrefslogtreecommitdiffstats
path: root/test/CodeGen/x86_32-fpcc-struct-return.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/x86_32-fpcc-struct-return.c')
-rw-r--r--test/CodeGen/x86_32-fpcc-struct-return.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/x86_32-fpcc-struct-return.c b/test/CodeGen/x86_32-fpcc-struct-return.c
new file mode 100644
index 0000000..9f61599
--- /dev/null
+++ b/test/CodeGen/x86_32-fpcc-struct-return.c
@@ -0,0 +1,34 @@
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
+// RUN: %clang_cc1 -triple i386-pc-win32 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
+// RUN: %clang_cc1 -triple i386-pc-win32 -fpcc-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PCC
+// RUN: %clang_cc1 -triple i386-pc-win32 -freg-struct-return -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-REG
+
+typedef struct { int a,b,c,d; } Big;
+typedef struct { int i; } Small;
+typedef struct { short s; } Short;
+typedef struct { } ZeroSized;
+
+// CHECK-LABEL: define void @returnBig
+// CHECK: ret void
+Big returnBig(Big x) { return x; }
+
+// CHECK-PCC-LABEL: define void @returnSmall
+// CHECK-PCC: ret void
+// CHECK-REG-LABEL: define i32 @returnSmall
+// CHECK-REG: ret i32
+Small returnSmall(Small x) { return x; }
+
+// CHECK-PCC-LABEL: define void @returnShort
+// CHECK-PCC: ret void
+// CHECK-REG-LABEL: define i16 @returnShort
+// CHECK-REG: ret i16
+Short returnShort(Short x) { return x; }
+
+// CHECK-LABEL: define void @returnZero()
+// CHECK: ret void
+ZeroSized returnZero(ZeroSized x) { return x; }
OpenPOWER on IntegriCloud