x86_64-arguments.c revision a5728872c7702ddd09537c95bc3cbd20e1f2fb09
1// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o %t %s 2// RUN: grep 'define signext i8 @f0()' %t 3// RUN: grep 'define signext i16 @f1()' %t 4// RUN: grep 'define i32 @f2()' %t 5// RUN: grep 'define float @f3()' %t 6// RUN: grep 'define double @f4()' %t 7// RUN: grep 'define x86_fp80 @f5()' %t 8// RUN: grep 'define void @f6(i8 signext %a0, i16 signext %a1, i32 %a2, i64 %a3, i8\* %a4)' %t 9// RUN: grep 'define void @f7(i32 %a0)' %t 10// RUN: grep '.0 = type { i64, double }' %t 11// RUN: grep 'define .0 @f8_1()' %t 12// RUN: grep 'define void @f8_2(.0)' %t 13 14char f0(void) { 15 return 0; 16} 17 18short f1(void) { 19 return 0; 20} 21 22int f2(void) { 23 return 0; 24} 25 26float f3(void) { 27 return 0; 28} 29 30double f4(void) { 31 return 0; 32} 33 34long double f5(void) { 35 return 0; 36} 37 38void f6(char a0, short a1, int a2, long long a3, void *a4) { 39} 40 41typedef enum { A, B, C } E; 42 43void f7(E a0) { 44} 45 46// Test merging/passing of upper eightbyte with X87 class. 47union u8 { 48 long double a; 49 int b; 50}; 51union u8 f8_1() { while (1) {} } 52void f8_2(union u8 a0) {} 53 54// RUN: grep 'define i64 @f9()' %t 55struct s9 { int a; int b; int : 0; } f9(void) { while (1) {} } 56 57// RUN: grep 'define void @f10(i64)' %t 58struct s10 { int a; int b; int : 0; }; 59void f10(struct s10 a0) {} 60 61// RUN: grep 'define void @f11(.union.anon. noalias sret .agg.result)' %t 62union { long double a; float b; } f11() { while (1) {} } 63 64// RUN: grep 'define i64 @f12_0()' %t 65// RUN: grep 'define void @f12_1(i64)' %t 66struct s12 { int a __attribute__((aligned(16))); }; 67struct s12 f12_0(void) { while (1) {} } 68void f12_1(struct s12 a0) {} 69 70// Check that sret parameter is accounted for when checking available integer 71// registers. 72// 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 73 74struct s13_0 { long long f0[3]; }; 75struct s13_1 { long long f0[2]; }; 76struct s13_0 f13(int a, int b, int c, int d, 77 struct s13_1 e, int f) { while (1) {} } 78 79// RUN: grep 'define void @f14(.*, i8 signext .X)' %t 80void f14(int a, int b, int c, int d, int e, int f, 81 char X) {} 82// RUN: grep 'define void @f15(.*, i8\* .X)' %t 83void f15(int a, int b, int c, int d, int e, int f, 84 void *X) {} 85// RUN: grep 'define void @f16(.*, float .X)' %t 86void f16(float a, float b, float c, float d, float e, float f, float g, float h, 87 float X) {} 88// RUN: grep 'define void @f17(.*, x86_fp80 .X)' %t 89void f17(float a, float b, float c, float d, float e, float f, float g, float h, 90 long double X) {} 91 92// Check for valid coercion. 93// RUN: grep '.. = bitcast i64. .* to .struct.f18_s0.' %t 94// RUN: grep '.. = load .struct.f18_s0. .., align 1' %t 95// RUN: grep 'store .struct.f18_s0 .., .struct.f18_s0. .f18_arg1' %t 96struct f18_s0 { int f0; }; 97void f18(int a, struct f18_s0 f18_arg1) { while (1) {} } 98 99