76 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple lanai-unknown-unknown %s -emit-llvm -o - \
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| // RUN:   | FileCheck %s
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| 
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| // Basic argument/attribute tests for Lanai.
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| 
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| // CHECK: define void @f0(i32 inreg %i, i32 inreg %j, i64 inreg %k)
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| void f0(int i, long j, long long k) {}
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| 
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| typedef struct {
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|   int aa;
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|   int bb;
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| } s1;
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| // CHECK: define void @f1(i32 inreg %i.coerce0, i32 inreg %i.coerce1)
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| void f1(s1 i) {}
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| 
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| typedef struct {
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|   int cc;
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| } s2;
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| // CHECK: define void @f2(%struct.s2* noalias sret %agg.result)
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| s2 f2() {
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|   s2 foo;
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|   return foo;
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| }
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| 
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| typedef struct {
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|   int cc;
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|   int dd;
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| } s3;
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| // CHECK: define void @f3(%struct.s3* noalias sret %agg.result)
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| s3 f3() {
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|   s3 foo;
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|   return foo;
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| }
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| 
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| // CHECK: define void @f4(i64 inreg %i)
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| void f4(long long i) {}
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| 
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| // CHECK: define void @f5(i8 inreg %a, i16 inreg %b)
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| void f5(char a, short b) {}
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| 
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| // CHECK: define void @f6(i8 inreg %a, i16 inreg %b)
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| void f6(unsigned char a, unsigned short b) {}
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| 
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| enum my_enum {
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|   ENUM1,
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|   ENUM2,
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|   ENUM3,
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| };
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| // Enums should be treated as the underlying i32.
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| // CHECK: define void @f7(i32 inreg %a)
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| void f7(enum my_enum a) {}
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| 
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| enum my_big_enum {
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|   ENUM4 = 0xFFFFFFFFFFFFFFFF,
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| };
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| // Big enums should be treated as the underlying i64.
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| // CHECK: define void @f8(i64 inreg %a)
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| void f8(enum my_big_enum a) {}
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| 
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| union simple_union {
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|   int a;
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|   char b;
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| };
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| // Unions should be passed inreg.
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| // CHECK: define void @f9(i32 inreg %s.coerce)
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| void f9(union simple_union s) {}
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| 
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| typedef struct {
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|   int b4 : 4;
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|   int b3 : 3;
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|   int b8 : 8;
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| } bitfield1;
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| // Bitfields should be passed inreg.
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| // CHECK: define void @f10(i32 inreg %bf1.coerce)
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| void f10(bitfield1 bf1) {}
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