180 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			180 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin9 %s | FileCheck %s
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| // RUN: %clang_cc1 -emit-llvm -o - -triple thumbv7-apple-ios -target-abi apcs-gnu %s | FileCheck %s -check-prefix=CHECK-ARM
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| 
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| // rdar://8823265
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| 
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| // Note that we're declaring global variables with these types,
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| // triggering both Sema and IRGen struct layout.
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| 
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| #define ATTR __attribute__((__ms_struct__))
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| 
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| struct
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| {
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|    char foo;
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|    long : 0;
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|    char bar;
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| } ATTR t1;
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| int s1 = sizeof(t1);
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| // CHECK: @s1 = global i32 2
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| // CHECK-ARM: @s1 = global i32 2
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| 
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| struct
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| {
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|    char foo;
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|    long : 0;
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|    char : 0;
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|    int : 0;
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|    char bar;
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| } ATTR t2;
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| int s2 = sizeof(t2);
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| // CHECK: @s2 = global i32 2
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| // CHECK-ARM: @s2 = global i32 2
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| 
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| struct
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| {
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|    char foo;
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|    long : 0;
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|    char : 0;
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|    int : 0;
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|    char bar;
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|    long : 0;
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|    char : 0;
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| } ATTR t3;
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| int s3 = sizeof(t3);
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| // CHECK: @s3 = global i32 2
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| // CHECK-ARM: @s3 = global i32 2
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| 
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| struct
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| {
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|    long : 0;
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|    char bar;
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| } ATTR t4;
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| int s4 = sizeof(t4);
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| // CHECK: @s4 = global i32 1
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| // CHECK-ARM: @s4 = global i32 1
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| 
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| struct
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| {
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|    long : 0;
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|    long : 0;
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|    char : 0;
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|    char bar;
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| } ATTR t5;
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| int s5 = sizeof(t5);
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| // CHECK: @s5 = global i32 1
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| // CHECK-ARM: @s5 = global i32 1
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| 
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| struct
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| {
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|    long : 0;
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|    long : 0;
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|    char : 0;
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|    char bar;
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| } ATTR t6;
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| int s6 = sizeof(t6);
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| // CHECK: @s6 = global i32 1
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| // CHECK-ARM: @s6 = global i32 1
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| 
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| struct
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| {
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|    char foo;
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|    long : 0;
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|    int : 0;
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|    char bar;
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|    char bar1;
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|    long : 0;
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|    char bar2;
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|    char bar3;
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|    char : 0;
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|    char bar4;
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|    char bar5;
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|    char : 0;
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|    char bar6;
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|    char bar7;
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| } ATTR t7;
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| int s7 = sizeof(t7);
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| // CHECK: @s7 = global i32 9
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| // CHECK-ARM: @s7 = global i32 9
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| 
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| struct
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| {
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|    long : 0;
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|    long : 0;
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|    char : 0;
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| } ATTR t8;
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| int s8 = sizeof(t8);
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| // CHECK: @s8 = global i32 0
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| // CHECK-ARM: @s8 = global i32 0
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| 
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| struct
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| {
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|    char foo;
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|    long : 0;
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|    int : 0;
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|    char bar;
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|    char bar1;
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|    long : 0;
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|    char bar2;
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|    char bar3;
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|    char : 0;
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|    char bar4;
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|    char bar5;
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|    char : 0;
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|    char bar6;
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|    char bar7;
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|    int  i1;
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|    char : 0;
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|    long : 0;
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|    char :4;
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|    char bar8;
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|    char : 0;
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|    char bar9;
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|    char bar10;
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|    int  i2;
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|    char : 0;
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|    long : 0;
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|    char :4;
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| } ATTR t9;
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| int s9 = sizeof(t9);
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| // CHECK: @s9 = global i32 28
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| // CHECK-ARM: @s9 = global i32 28
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| 
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| struct
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| {
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|    char foo: 8;
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|    long : 0;
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|    char bar;
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| } ATTR t10;
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| int s10 = sizeof(t10);
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| // CHECK: @s10 = global i32 16
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| // CHECK-ARM: @s10 = global i32 8
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| 
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| // rdar://16041826 - ensure that ms_structs work correctly on a
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| // !useBitFieldTypeAlignment() target
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| struct {
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|   unsigned int a : 31;
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|   unsigned int b : 2;
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|   unsigned int c;
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| } ATTR t11;
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| int s11 = sizeof(t11);
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| // CHECK: @s11 = global i32 12
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| // CHECK-ARM: @s11 = global i32 12
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| 
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| struct {
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|   unsigned char a : 3;
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|   unsigned char b : 4;
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|   unsigned short c : 6;
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| } ATTR t12;
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| int s12 = sizeof(t12);
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| // CHECK: @s12 = global i32 4
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| // CHECK-ARM: @s12 = global i32 4
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| 
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| struct {
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|   unsigned char a : 3;
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|   unsigned char b : 4;
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|   __attribute__((packed)) unsigned short c : 6;
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| } ATTR t13;
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| int s13 = sizeof(t13);
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| // CHECK: @s13 = global i32 4
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| // CHECK-ARM: @s13 = global i32 4
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