1 files changed, 85 insertions, 0 deletions
diff --git a/test/CodeGen/x86_64-arguments.c b/test/CodeGen/x86_64-arguments.c
new file mode 100644
index 0000000..6f7ec82
--- /dev/null
+++ b/test/CodeGen/x86_64-arguments.c
@@ -0,0 +1,85 @@
+// RUN: clang-cc -triple x86_64-unknown-unknown -emit-llvm -o %t %s &&
+// RUN: grep 'define signext i8 @f0()' %t &&
+// RUN: grep 'define signext i16 @f1()' %t &&
+// RUN: grep 'define i32 @f2()' %t &&
+// RUN: grep 'define float @f3()' %t &&
+// RUN: grep 'define double @f4()' %t &&
+// RUN: grep 'define x86_fp80 @f5()' %t &&
+// RUN: grep 'define void @f6(i8 signext %a0, i16 signext %a1, i32 %a2, i64 %a3, i8\* %a4)' %t &&
+// RUN: grep 'define void @f7(i32 %a0)' %t &&
+// RUN: grep 'type { i64, double }.*type .0' %t &&
+// RUN: grep 'define .0 @f8_1()' %t &&
+// RUN: grep 'define void @f8_2(.0)' %t &&
+
+char f0(void) {
+}
+
+short f1(void) {
+}
+
+int f2(void) {
+}
+
+float f3(void) {
+}
+
+double f4(void) {
+}
+
+long double f5(void) {
+}
+
+void f6(char a0, short a1, int a2, long long a3, void *a4) {
+}
+
+typedef enum { A, B, C } E;
+
+void f7(E a0) {
+}
+
+// Test merging/passing of upper eightbyte with X87 class.
+union u8 {
+  long double a;
+  int b;
+};
+union u8 f8_1() {}
+void f8_2(union u8 a0) {}
+
+// RUN: grep 'define i64 @f9()' %t &&
+struct s9 { int a; int b; int : 0; } f9(void) {}
+
+// RUN: grep 'define void @f10(i64)' %t &&
+struct s10 { int a; int b; int : 0; };
+void f10(struct s10 a0) {}
+
+// RUN: grep 'define void @f11(.union.anon. noalias sret .agg.result)' %t &&
+union { long double a; float b; } f11() {}
+
+// RUN: grep 'define i64 @f12_0()' %t &&
+// RUN: grep 'define void @f12_1(i64)' %t &&
+struct s12 { int a __attribute__((aligned(16))); };
+struct s12 f12_0(void) {}
+void f12_1(struct s12 a0) {}
+
+// Check that sret parameter is accounted for when checking available integer
+// registers.
+// RUN: grep 'define void @f13(.struct.s13_0. noalias sret .agg.result, i32 .a, i32 .b, i32 .c, i32 .d, .struct.s13_1. byval .e, i32 .f)' %t &&
+
+struct s13_0 { long long f0[3]; };
+struct s13_0 f13(int a, int b, int c, int d, 
+                 struct s13_1 { long long f0[2]; } e, int f) {}
+
+// RUN: grep 'define void @f14(.*, i8 signext .X)' %t &&
+void f14(int a, int b, int c, int d, int e, int f, 
+         char X) {}
+// RUN: grep 'define void @f15(.*, i8\* .X)' %t &&
+void f15(int a, int b, int c, int d, int e, int f, 
+         void *X) {}
+// RUN: grep 'define void @f16(.*, float .X)' %t &&
+void f16(float a, float b, float c, float d, float e, float f, float g, float h,
+         float X) {}
+// RUN: grep 'define void @f17(.*, x86_fp80 .X)' %t &&
+void f17(float a, float b, float c, float d, float e, float f, float g, float h,
+         long double X) {}
+
+// RUN: true