forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang -target mipsel-unknown-linux -O3 -S -o - -emit-llvm %s | FileCheck %s -check-prefix=O32
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| // RUN: %clang -target mips64el-unknown-linux -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s -check-prefix=N64
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| 
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| typedef struct {
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|   double d;
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|   long double ld;
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| } S0;
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| 
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| // Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries.
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| 
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| // N64: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3)
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| // N64: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3)
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| // N64: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64)
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| 
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| extern void foo2(int, int, int, S0, S0, int, S0);
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| 
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| void foo1(int a0, S0 a1, S0 a2, int b, S0 a3) {
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|   foo2(1, 2, a0, a1, a2, 3, a3);
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| }
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| 
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| // Insert padding before long double argument.
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| //
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| // N64: define void @foo3(i32 %a0, i64, fp128 %a1)
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| // N64: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1)
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| // N64: declare void @foo4(i32, i32, i32, i64, fp128)
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| 
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| extern void foo4(int, int, int, long double);
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| 
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| void foo3(int a0, long double a1) {
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|   foo4(1, 2, a0, a1);
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| }
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| 
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| // Insert padding after hidden argument.
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| //
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| // N64: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0)
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| // N64: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0)
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| // N64: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128)
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| 
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| extern S0 foo6(int, int, long double);
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| 
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| S0 foo5(long double a0) {
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|   return foo6(1, 2, a0);
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| }
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| 
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| // Do not insert padding if ABI is O32.
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| //
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| // O32: define void @foo7(float %a0, double %a1)
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| // O32: declare void @foo8(float, double)
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| 
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| extern void foo8(float, double);
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| 
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| void foo7(float a0, double a1) {
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|   foo8(a0 + 1.0f, a1 + 2.0);
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| }
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| 
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