forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			33 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // REQUIRES: arm-registered-target
 | |
| // RUN: %clang_cc1 -triple armv7 -target-feature +neon %s -emit-llvm -o /dev/null
 | |
| 
 | |
| char bar();
 | |
| 
 | |
| void t1(int x, char y) {
 | |
|   __asm__ volatile("mcr p15, 0, %1, c9, c12, 5;"
 | |
|                    "mrc p15, 0, %0, c9, c13, 2;"
 | |
|                    : "=r" (x)
 | |
|                    : "r" (bar())); // no warning
 | |
|   __asm__ volatile("foo %0, %1"
 | |
|                    : "+r" (x),
 | |
|                      "+r" (y)
 | |
|                    :);
 | |
|   __asm__ volatile("ldrb %0, [%1]" : "=r" (y) : "r" (x)); // no warning
 | |
| }
 | |
| 
 | |
| // <rdar://problem/12284092>
 | |
| typedef __attribute__((neon_vector_type(2))) long long int64x2_t;
 | |
| typedef struct int64x2x4_t {
 | |
|   int64x2_t val[4];
 | |
| } int64x2x4_t;
 | |
| int64x2x4_t t2(const long long a[]) {
 | |
|   int64x2x4_t r;
 | |
|   __asm__("vldm %[a], { %q[r0], %q[r1], %q[r2], %q[r3] }"
 | |
|           : [r0] "=r"(r.val[0]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
 | |
|             [r1] "=r"(r.val[1]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
 | |
|             [r2] "=r"(r.val[2]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
 | |
|             [r3] "=r"(r.val[3])  // expected-warning {{value size does not match register size specified by the constraint and modifier}}
 | |
|           : [a] "r"(a));
 | |
|   return r;
 | |
| }
 |