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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23427 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llvm-as < %s | opt -instcombine -disable-output &&
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep '(and\|xor\|add\|shl\|shr)'
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int %test1(int %x) {
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        %tmp.1 = and int %x, 65535              ; <int> [#uses=1]
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        %tmp.2 = xor int %tmp.1, -32768         ; <int> [#uses=1]
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        %tmp.3 = add int %tmp.2, 32768          ; <int> [#uses=1]
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        ret int %tmp.3
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}
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int %test2(int %x) {
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        %tmp.1 = and int %x, 65535              ; <int> [#uses=1]
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        %tmp.2 = xor int %tmp.1, 32768          ; <int> [#uses=1]
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        %tmp.3 = add int %tmp.2, -32768         ; <int> [#uses=1]
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        ret int %tmp.3
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}
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int %test3(ushort %P) {
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        %tmp.1 = cast ushort %P to int          ; <int> [#uses=1]
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        %tmp.4 = xor int %tmp.1, 32768          ; <int> [#uses=1]
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        %tmp.5 = add int %tmp.4, -32768         ; <int> [#uses=1]
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        ret int %tmp.5
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}
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uint %test4(ushort %P) {
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        %tmp.1 = cast ushort %P to uint         ; <uint> [#uses=1]
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        %tmp.4 = xor uint %tmp.1, 32768         ; <uint> [#uses=1]
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        %tmp.5 = add uint %tmp.4, 4294934528            ; <uint> [#uses=1]
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        ret uint %tmp.5
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}
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int %test5(int %x) {
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	%tmp.1 = and int %x, 254
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	%tmp.2 = xor int %tmp.1, 128
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	%tmp.3 = add int %tmp.2, -128
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	ret int %tmp.3
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}
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int %test6(int %x) {
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        %tmp.2 = shl int %x, ubyte 16           ; <int> [#uses=1]
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        %tmp.4 = shr int %tmp.2, ubyte 16               ; <int> [#uses=1]
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        ret int %tmp.4
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}
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