65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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| ; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
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| 
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| 
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| ;; Integer conversions happen inplicitly by loading/storing the proper types
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| 
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| 
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| ; i16
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| 
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| define i16 @cvt_i16_i32(i32 %x) {
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| ; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i16_i32_param_{{[0-9]+}}]
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| ; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
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| ; CHECK: ret
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|   %a = trunc i32 %x to i16
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|   ret i16 %a
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| }
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| 
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| define i16 @cvt_i16_i64(i64 %x) {
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| ; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i16_i64_param_{{[0-9]+}}]
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| ; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
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| ; CHECK: ret
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|   %a = trunc i64 %x to i16
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|   ret i16 %a
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| }
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| 
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| 
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| 
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| ; i32
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| 
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| define i32 @cvt_i32_i16(i16 %x) {
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| ; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i32_i16_param_{{[0-9]+}}]
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| ; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
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| ; CHECK: ret
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|   %a = zext i16 %x to i32
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|   ret i32 %a
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| }
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| 
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| define i32 @cvt_i32_i64(i64 %x) {
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| ; CHECK: ld.param.u32 %r[[R0:[0-9]+]], [cvt_i32_i64_param_{{[0-9]+}}]
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| ; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
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| ; CHECK: ret
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|   %a = trunc i64 %x to i32
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|   ret i32 %a
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| }
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| 
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| 
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| 
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| ; i64
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| 
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| define i64 @cvt_i64_i16(i16 %x) {
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| ; CHECK: ld.param.u16 %rd[[R0:[0-9]+]], [cvt_i64_i16_param_{{[0-9]+}}]
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| ; CHECK: st.param.b64 [func_retval{{[0-9]+}}+0], %rd[[R0]]
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| ; CHECK: ret
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|   %a = zext i16 %x to i64
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|   ret i64 %a
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| }
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| 
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| define i64 @cvt_i64_i32(i32 %x) {
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| ; CHECK: ld.param.u32 %rd[[R0:[0-9]+]], [cvt_i64_i32_param_{{[0-9]+}}]
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| ; CHECK: st.param.b64 [func_retval{{[0-9]+}}+0], %rd[[R0]]
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| ; CHECK: ret
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|   %a = zext i32 %x to i64
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|   ret i64 %a
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| }
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