41 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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| ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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| ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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| 
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| declare float @llvm.minnum.f32(float, float) nounwind readnone
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| 
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| ; SI-LABEL: {{^}}test_fmin3_olt_0:
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| ; SI: buffer_load_dword [[REGC:v[0-9]+]]
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| ; SI: buffer_load_dword [[REGB:v[0-9]+]]
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| ; SI: buffer_load_dword [[REGA:v[0-9]+]]
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| ; SI: v_min3_f32 [[RESULT:v[0-9]+]], [[REGC]], [[REGB]], [[REGA]]
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| ; SI: buffer_store_dword [[RESULT]],
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| ; SI: s_endpgm
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| define void @test_fmin3_olt_0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) nounwind {
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|   %a = load volatile float, float addrspace(1)* %aptr, align 4
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|   %b = load volatile float, float addrspace(1)* %bptr, align 4
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|   %c = load volatile float, float addrspace(1)* %cptr, align 4
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|   %f0 = call float @llvm.minnum.f32(float %a, float %b) nounwind readnone
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|   %f1 = call float @llvm.minnum.f32(float %f0, float %c) nounwind readnone
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|   store float %f1, float addrspace(1)* %out, align 4
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|   ret void
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| }
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| 
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| ; Commute operand of second fmin
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| ; SI-LABEL: {{^}}test_fmin3_olt_1:
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| ; SI: buffer_load_dword [[REGB:v[0-9]+]]
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| ; SI: buffer_load_dword [[REGA:v[0-9]+]]
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| ; SI: buffer_load_dword [[REGC:v[0-9]+]]
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| ; SI: v_min3_f32 [[RESULT:v[0-9]+]], [[REGC]], [[REGB]], [[REGA]]
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| ; SI: buffer_store_dword [[RESULT]],
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| ; SI: s_endpgm
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| define void @test_fmin3_olt_1(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) nounwind {
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|   %a = load volatile float, float addrspace(1)* %aptr, align 4
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|   %b = load volatile float, float addrspace(1)* %bptr, align 4
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|   %c = load volatile float, float addrspace(1)* %cptr, align 4
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|   %f0 = call float @llvm.minnum.f32(float %a, float %b) nounwind readnone
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|   %f1 = call float @llvm.minnum.f32(float %c, float %f0) nounwind readnone
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|   store float %f1, float addrspace(1)* %out, align 4
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|   ret void
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| }
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