File: 32-bit-subreg-zext.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (21 lines) | stat: -rw-r--r-- 555 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
 
; RUN: llc -O2 -march=bpfel -mattr=+alu32 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfel -mcpu=v3 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfeb -mattr=+alu32 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfeb -mcpu=v3 < %s | FileCheck %s
;
; long zext(unsigned int a)
; {
;   long b = a;
;   return b;
; }

; Function Attrs: norecurse nounwind
define dso_local i64 @zext(i32 %a) local_unnamed_addr #0 {
entry:
  %conv = zext i32 %a to i64
  ; CHECK-NOT: r[[#]] <<= 32
  ; CHECK-NOT: r[[#]] >>= 32
  ret i64 %conv
}

attributes #0 = { norecurse nounwind }