File: absolute-bit-mask-fastisel.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (28 lines) | stat: -rw-r--r-- 599 bytes parent folder | download | duplicates (13) 
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
27
28
 
; RUN: llc < %s | FileCheck %s
; RUN: llc -relocation-model=pic < %s | FileCheck %s

; Regression test for PR38200

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@bit_mask8 = external hidden global i8, !absolute_symbol !0

declare void @f()

define void @foo8(ptr %ptr) noinline optnone {
  %load = load i8, ptr %ptr
  ; CHECK: movl $bit_mask8, %ecx
  %and = and i8 %load, ptrtoint (ptr @bit_mask8 to i8)
  %icmp = icmp eq i8 %and, 0
  br i1 %icmp, label %t, label %f

t:
  call void @f()
  ret void

f:
  ret void
}

!0 = !{i64 0, i64 256}