forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			75 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o %t -O3
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| // RUN: grep "ret i32" %t | count 4
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| // RUN: grep "ret i32 1" %t | count 4
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| 
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| static int f0(int n) {
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|   struct s0 {
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|     int a : 30;
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|     int b : 2;
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|     long long c : 31;
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|   } x = { 0xdeadbeef, 0xdeadbeef, 0xdeadbeef };
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|   
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|   x.a += n;
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|   x.b += n;
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|   x.c += n;
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| 
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|   return x.a + x.b + x.c;
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| }
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| 
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| int g0(void) {
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|   return f0(-1) + 44335655;
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| }
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| 
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| static int f1(void) {
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|   struct s1 { 
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|     int a:13; 
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|     char b; 
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|     unsigned short c:7;
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|   } x;
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|   
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|   x.a = -40;
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|   x.b = 10;
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|   x.c = 15;
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| 
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|   return x.a + x.b + x.c;
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| }
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| 
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| int g1(void) {
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|   return f1() + 16;
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| }
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| 
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| static int f2(void) {
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|   struct s2 {
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|     short a[3];
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|     int b : 15;
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|   } x;
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|   
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|   x.a[0] = x.a[1] = x.a[2] = -40;
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|   x.b = 10;
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| 
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|   return x.b;
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| }
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| 
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| int g2(void) {
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|   return f2() - 9;
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| }
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| 
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| static int f3(int n) {
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|   struct s3 {
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|     unsigned a:16;
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|     unsigned b:28 __attribute__ ((packed));
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|   } x = { 0xdeadbeef, 0xdeadbeef };
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|   struct s4 {
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|     signed a:16;
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|     signed b:28 __attribute__ ((packed));
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|   } y;
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|   y.a = -0x56789abcL;
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|   y.b = -0x56789abcL;
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|   return ((y.a += x.a += n) + 
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|           (y.b += x.b += n));
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| }
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| 
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| int g3(void) {
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|   return f3(20) + 130725747;
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| }
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