brintos

brintos / llvm-project-archived public Read only

0
0
Text · 536 B · 36a5bff Raw
23 lines · plain
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 -passes=instcombine -S | not grep div5 6 7define i333 @test1(i333 %X) {8    %Y = udiv i333 %X, 703687441776649    ret i333 %Y10}11 12define i499 @test2(i499 %X) {13    %tmp.0 = shl i499 4096, 19714    %Y = udiv i499 %X, %tmp.015    ret i499 %Y16}17 18define i599 @test3(i599 %X, i1 %C) {19        %V = select i1 %C, i599 70368744177664, i599 409620        %R = udiv i599 %X, %V21        ret i599 %R22}23