File: apint-div2.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (22 lines) | stat: -rw-r--r-- 536 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; This test makes sure that div instructions are properly eliminated.
; This test is for Integer BitWidth >= 64 && BitWidth <= 1024.
;
; RUN: opt < %s -passes=instcombine -S | not grep div


define i333 @test1(i333 %X) {
    %Y = udiv i333 %X, 70368744177664
    ret i333 %Y
}

define i499 @test2(i499 %X) {
    %tmp.0 = shl i499 4096, 197
    %Y = udiv i499 %X, %tmp.0
    ret i499 %Y
}

define i599 @test3(i599 %X, i1 %C) {
        %V = select i1 %C, i599 70368744177664, i599 4096
        %R = udiv i599 %X, %V
        ret i599 %R
}