File: and-srl.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 794 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
; RUN: llc < %s -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64 | FileCheck %s \
; RUN:    -check-prefix=MIPS4
; RUN: llc < %s -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 | FileCheck %s \
; RUN:    -check-prefix=MIPS64R2

define i64 @foo(i64 noundef %a) {
; MIPS4-LABEL: foo:
; MIPS4:       # %bb.0: # %entry
; MIPS4-NEXT:   dsrl   $1, $4, 2
; MIPS4-NEXT:   andi   $1, $1, 7
; MIPS4-NEXT:   daddiu $2, $zero, 1
; MIPS4-NEXT:   jr     $ra
; MIPS4-NEXT:   dsllv  $2, $2, $1
;
; MIPS64R2-LABEL: foo:
; MIPS64R2:       # %bb.0: # %entry
; MIPS64R2-NEXT:   dext	  $1, $4, 2, 3
; MIPS64R2-NEXT:   daddiu $2, $zero, 1
; MIPS64R2-NEXT:   jr     $ra
; MIPS64R2-NEXT:   dsllv  $2, $2, $1
entry:
  %div1 = lshr i64 %a, 2
  %and = and i64 %div1, 7
  %shl = shl nuw nsw i64 1, %and
  ret i64 %shl
}