File: apint-rem1.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (22 lines) | stat: -rw-r--r-- 476 bytes parent folder | download | duplicates (27) 
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 these instructions are properly eliminated.
; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0.
;
; RUN: opt < %s -instcombine -S | not grep rem


define i33 @test1(i33 %A) {
    %B = urem i33 %A, 4096
    ret i33 %B
}

define i49 @test2(i49 %A) {
    %B = shl i49 4096, 11
    %Y = urem i49 %A, %B
    ret i49 %Y
}

define i59 @test3(i59 %X, i1 %C) {
	%V = select i1 %C, i59 70368744177664, i59 4096
	%R = urem i59 %X, %V
	ret i59 %R
}