File: negate-i1.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 (25 lines) | stat: -rw-r--r-- 583 bytes parent folder | download | duplicates (29) 
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
 
; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s

; PR30660 - https://llvm.org/bugs/show_bug.cgi?id=30660

define i32 @select_i32_neg1_or_0(i1 %a) {
; CHECK-LABEL: select_i32_neg1_or_0:
; CHECK-NEXT:  @ %bb.0:
; CHECK-NEXT:    and r0, r0, #1
; CHECK-NEXT:    rsb r0, r0, #0
; CHECK-NEXT:    mov pc, lr
;
  %b = sext i1 %a to i32
  ret i32 %b
}

define i32 @select_i32_neg1_or_0_zeroext(i1 zeroext %a) {
; CHECK-LABEL: select_i32_neg1_or_0_zeroext:
; CHECK-NEXT:  @ %bb.0:
; CHECK-NEXT:    rsb r0, r0, #0
; CHECK-NEXT:    mov pc, lr
;
  %b = sext i1 %a to i32
  ret i32 %b
}