forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			104 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // REQUIRES: arm-registered-target
 | |
| // RUN: %clang_cc1 -triple aarch64-none-none-eabi \
 | |
| // RUN:   -O2 \
 | |
| // RUN:   -emit-llvm -o - %s | FileCheck %s
 | |
| 
 | |
| extern "C" {
 | |
| 
 | |
| // Base case, nothing interesting.
 | |
| struct S {
 | |
|   long x, y;
 | |
| };
 | |
| 
 | |
| void f0(long, S);
 | |
| void f0m(long, long, long, long, long, S);
 | |
| void g0() {
 | |
|   S s = {6, 7};
 | |
|   f0(1, s);
 | |
|   f0m(1, 2, 3, 4, 5, s);
 | |
| }
 | |
| // CHECK: define void @g0
 | |
| // CHECK: call void @f0(i64 1, [2 x i64] [i64 6, i64 7]
 | |
| // CHECK: call void @f0m{{.*}}[2 x i64] [i64 6, i64 7]
 | |
| // CHECK: declare void @f0(i64, [2 x i64])
 | |
| // CHECK: declare void @f0m(i64, i64, i64, i64, i64, [2 x i64])
 | |
| 
 | |
| // Aligned struct, passed according to its natural alignment.
 | |
| struct __attribute__((aligned(16))) S16 {
 | |
|   long x, y;
 | |
| } s16;
 | |
| 
 | |
| void f1(long, S16);
 | |
| void f1m(long, long, long, long, long, S16);
 | |
| void g1() {
 | |
|   S16 s = {6, 7};
 | |
|   f1(1, s);
 | |
|   f1m(1, 2, 3, 4, 5, s);
 | |
| }
 | |
| // CHECK: define void @g1
 | |
| // CHECK: call void @f1{{.*}}[2 x i64] [i64 6, i64 7]
 | |
| // CHECK: call void @f1m{{.*}}[2 x i64] [i64 6, i64 7]
 | |
| // CHECK: declare void @f1(i64, [2 x i64])
 | |
| // CHECK: declare void @f1m(i64, i64, i64, i64, i64, [2 x i64])
 | |
| 
 | |
| // Increased natural alignment.
 | |
| struct SF16 {
 | |
|   long x __attribute__((aligned(16)));
 | |
|   long y;
 | |
| };
 | |
| 
 | |
| void f3(long, SF16);
 | |
| void f3m(long, long, long, long, long, SF16);
 | |
| void g3() {
 | |
|   SF16 s = {6, 7};
 | |
|   f3(1, s);
 | |
|   f3m(1, 2, 3, 4, 5, s);
 | |
| }
 | |
| // CHECK: define void @g3
 | |
| // CHECK: call void @f3(i64 1, i128 129127208515966861318)
 | |
| // CHECK: call void @f3m(i64 1, i64 2, i64 3, i64 4, i64 5, i128 129127208515966861318)
 | |
| // CHECK: declare void @f3(i64, i128)
 | |
| // CHECK: declare void @f3m(i64, i64, i64, i64, i64, i128)
 | |
| 
 | |
| 
 | |
| // Packed structure.
 | |
| struct  __attribute__((packed)) P {
 | |
|   int x;
 | |
|   long u;
 | |
| };
 | |
| 
 | |
| void f4(int, P);
 | |
| void f4m(int, int, int, int, int, P);
 | |
| void g4() {
 | |
|   P s = {6, 7};
 | |
|   f4(1, s);
 | |
|   f4m(1, 2, 3, 4, 5, s);
 | |
| }
 | |
| // CHECK: define void @g4()
 | |
| // CHECK: call void @f4(i32 1, [2 x i64] [i64 30064771078, i64 0])
 | |
| // CHECK: void @f4m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
 | |
| // CHECK: declare void @f4(i32, [2 x i64])
 | |
| // CHECK: declare void @f4m(i32, i32, i32, i32, i32, [2 x i64])
 | |
| 
 | |
| 
 | |
| // Packed structure, overaligned, same as above.
 | |
| struct  __attribute__((packed, aligned(16))) P16 {
 | |
|   int x;
 | |
|   long y;
 | |
| };
 | |
| 
 | |
| void f5(int, P16);
 | |
| void f5m(int, int, int, int, int, P16);
 | |
|   void g5() {
 | |
|     P16 s = {6, 7};
 | |
|     f5(1, s);
 | |
|     f5m(1, 2, 3, 4, 5, s);
 | |
| }
 | |
| // CHECK: define void @g5()
 | |
| // CHECK: call void @f5(i32 1, [2 x i64] [i64 30064771078, i64 0])
 | |
| // CHECK: void @f5m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
 | |
| // CHECK: declare void @f5(i32, [2 x i64])
 | |
| // CHECK: declare void @f5m(i32, i32, i32, i32, i32, [2 x i64])
 | |
| 
 | |
| }
 |