25 lines
		
	
	
		
			755 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			755 B
		
	
	
	
		
			C
		
	
	
	
	
	
// RUN: %clang_cc1 -triple i386-apple-darwin9 -verify %s
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// <rdar://problem/12415959>
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typedef unsigned int u_int32_t;
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typedef u_int32_t uint32_t;
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typedef unsigned long long u_int64_t;
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typedef u_int64_t uint64_t;
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int func1() {
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  // Error out if size is > 32-bits.
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  uint32_t msr = 0x8b;
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  uint64_t val = 0;
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  __asm__ volatile("wrmsr"
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                   :
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                   : "c" (msr),
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                     "a" ((val & 0xFFFFFFFFUL)), // expected-error {{invalid input size for constraint 'a'}}
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                     "d" (((val >> 32) & 0xFFFFFFFFUL)));
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  // Don't error out if the size of the destination is <= 32 bits.
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  unsigned char data;
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  unsigned int port;
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  __asm__ volatile("outb %0, %w1" : : "a" (data), "Nd" (port)); // No error expected.
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}
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