File: apint-div1.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (22 lines) | stat: -rw-r--r-- 500 bytes parent folder | download | duplicates (17)
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 % 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
}