; This test makes sure that div instructions are properly eliminated. | |
; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0. | |
; | |
; RUN: opt < %s -passes=instcombine -S | not grep div | |
define i33 @test1(i33 %X) { | |
%Y = udiv i33 %X, 4096 | |
ret i33 %Y | |
} | |
define i49 @test2(i49 %X) { | |
%tmp.0 = shl i49 4096, 17 | |
%Y = udiv i49 %X, %tmp.0 | |
ret i49 %Y | |
} | |
define i59 @test3(i59 %X, i1 %C) { | |
%V = select i1 %C, i59 1024, i59 4096 | |
%R = udiv i59 %X, %V | |
ret i59 %R | |
} |