File: apint-div2.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (22 lines) | stat: -rw-r--r-- 529 bytes parent folder | download | duplicates (28)
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 -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
}