23 lines
		
	
	
		
			529 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			529 B
		
	
	
	
		
			LLVM
		
	
	
	
; This test makes sure that div instructions are properly eliminated.
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; This test is for Integer BitWidth >= 64 && BitWidth <= 1024.
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;
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; RUN: opt < %s -instcombine -S | not grep div
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define i333 @test1(i333 %X) {
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    %Y = udiv i333 %X, 70368744177664
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    ret i333 %Y
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}
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define i499 @test2(i499 %X) {
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    %tmp.0 = shl i499 4096, 197
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    %Y = udiv i499 %X, %tmp.0
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    ret i499 %Y
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}
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define i599 @test3(i599 %X, i1 %C) {
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        %V = select i1 %C, i599 70368744177664, i599 4096
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        %R = udiv i599 %X, %V
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        ret i599 %R
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}
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