55 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			YAML
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			YAML
		
	
	
	
| # RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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| # RUN: llc -march=amdgcn -mcpu=gfx1100 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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| 
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| # GCN-LABEL: name: fold_vgpr_to_vgpr_copy
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| # GCN:      %0:vreg_64 = IMPLICIT_DEF
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| # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF
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| # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF
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| # GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %1, killed %2, 0, 1, 0, implicit $exec
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| 
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| ---
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| name:            fold_vgpr_to_vgpr_copy
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| body:             |
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|   bb.0:
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| 
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|     %0:vreg_64 = IMPLICIT_DEF
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|     %4:vgpr_32 = IMPLICIT_DEF
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|     %3:vgpr_32 = IMPLICIT_DEF
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|     %1:vgpr_32 = COPY %0.sub0
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|     %2:vgpr_32 = COPY %1
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|     DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec  
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| ...
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| 
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| # GCN-LABEL: name: fold_sgpr_to_vgpr_copy
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| # GCN:      %0:sreg_64 = IMPLICIT_DEF
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| # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF
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| # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF
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| # GCN-NEXT: %4:vgpr_32 = COPY %0.sub0
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| # GCN-NEXT: DS_WRITE2_B32_gfx9 %4, killed %1, killed %2, 0, 1, 0, implicit $exec
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| name:            fold_sgpr_to_vgpr_copy
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| body:             |
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|   bb.0:
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| 
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|     %0:sreg_64 = IMPLICIT_DEF
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|     %4:vgpr_32 = IMPLICIT_DEF
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|     %3:vgpr_32 = IMPLICIT_DEF
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|     %1:sgpr_32 = COPY %0.sub0
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|     %2:vgpr_32 = COPY %1
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|     DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec  
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| ...
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| 
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| # GCN-LABEL: name: fma_sgpr_use
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| # GCN:      %0:sreg_64_xexec = IMPLICIT_DEF
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| # GCN-NEXT: %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMA_F32_e64 2, %0.sub0, 0, 1073741824, 0, %0.sub1, 0, 0, implicit $mode, implicit $exec
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| ---
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| name:            fma_sgpr_use
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| body:             |
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|   bb.0:
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|     %0:sreg_64_xexec = IMPLICIT_DEF
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|     %1:sgpr_32 = COPY %0.sub0
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|     %2:sgpr_32 = COPY %0.sub1
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|     %3:vgpr_32 = COPY %2
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|     %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMAC_F32_e64 2, %1, 0, 1073741824, 0, %3, 0, 0, implicit $mode, implicit $exec
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|     DS_WRITE2_B32_gfx9 undef %5:vgpr_32, killed %4, undef %6:vgpr_32, 0, 1, 0, implicit $exec  
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| ...
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