forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			63 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; Check VMX 64-bit integer operations
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| ;
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| ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
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| ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 -mattr=-vsx < %s | FileCheck %s
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| 
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| define <2 x i64> @test_add(<2 x i64> %x, <2 x i64> %y) nounwind {
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|        %result = add <2 x i64> %x, %y
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|        ret <2 x i64> %result
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| ; CHECK: vaddudm 2, 2, 3
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| }
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| 
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| define <2 x i64> @increment_by_one(<2 x i64> %x) nounwind {
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|        %result = add <2 x i64> %x, <i64 1, i64 1>
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|        ret <2 x i64> %result
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| ; CHECK: vaddudm 2, 2, 3
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| }
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| 
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| define <2 x i64> @increment_by_val(<2 x i64> %x, i64 %val) nounwind {
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|        %tmpvec = insertelement <2 x i64> <i64 0, i64 0>, i64 %val, i32 0
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|        %tmpvec2 = insertelement <2 x i64> %tmpvec, i64 %val, i32 1
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|        %result = add <2 x i64> %x, %tmpvec2
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|        ret <2 x i64> %result
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| ; CHECK: vaddudm 2, 2, 3
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| ; FIXME: This is currently generating the following instruction sequence
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| ;
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| ;        std 5, -8(1)
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| ;        std 5, -16(1)
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| ;        addi 3, 1, -16
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| ;        ori 2, 2, 0
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| ;        lxvd2x 35, 0, 3
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| ;        vaddudm 2, 2, 3
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| ;        blr
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| ;        
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| ;        This will almost certainly cause a load-hit-store hazard.
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| ;        Since val is a value parameter, it should not need to be
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| ;        saved onto the stack at all (unless we're using this to set
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| ;        up the vector register). Instead, it would be better to splat
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| ;        the value into a vector register.
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| }
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| 
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| define <2 x i64> @test_sub(<2 x i64> %x, <2 x i64> %y) nounwind {
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|        %result = sub <2 x i64> %x, %y
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|        ret <2 x i64> %result
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| ; CHECK: vsubudm 2, 2, 3
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| }
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| 
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| define <2 x i64> @decrement_by_one(<2 x i64> %x) nounwind {
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|        %result = sub <2 x i64> %x, <i64 -1, i64 -1>
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|        ret <2 x i64> %result
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| ; CHECK: vsubudm 2, 2, 3
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| }
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| 
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| define <2 x i64> @decrement_by_val(<2 x i64> %x, i64 %val) nounwind {
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|        %tmpvec = insertelement <2 x i64> <i64 0, i64 0>, i64 %val, i32 0
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|        %tmpvec2 = insertelement <2 x i64> %tmpvec, i64 %val, i32 1
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|        %result = sub <2 x i64> %x, %tmpvec2
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|        ret <2 x i64> %result
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| ; CHECK: vsubudm 2, 2, 3
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| }
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| 
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| 
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| 
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