File: trunc.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (18 lines) | stat: -rw-r--r-- 386 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc < %s -march=avr | FileCheck %s

define i8 @trunc8_loreg(i16 %x, i16 %y) {
; CHECK-LABEL: trunc8_loreg:
; CHECK: mov r24, r22
; CHECK-NEXT: ret
  %conv = trunc i16 %y to i8
  ret i8 %conv
}

define i8 @trunc8_hireg(i16 %x, i16 %y) {
; CHECK-LABEL: trunc8_hireg:
; CHECK: mov r24, r23
; CHECK-NEXT: ret
  %shr1 = lshr i16 %y, 8
  %conv = trunc i16 %shr1 to i8
  ret i8 %conv
}