1; This test makes sure that div instructions are properly eliminated. 2; This test is for Integer BitWidth >= 64 && BitWidth <= 1024. 3; 4; RUN: opt < %s -instcombine -S | not grep div 5 6 7define i333 @test1(i333 %X) { 8 %Y = udiv i333 %X, 70368744177664 9 ret i333 %Y 10} 11 12define i499 @test2(i499 %X) { 13 %tmp.0 = shl i499 4096, 197 14 %Y = udiv i499 %X, %tmp.0 15 ret i499 %Y 16} 17 18define i599 @test3(i599 %X, i1 %C) { 19 %V = select i1 %C, i599 70368744177664, i599 4096 20 %R = udiv i599 %X, %V 21 ret i599 %R 22} 23