File: absolute-bit-mask-fastisel.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 (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(i8* %ptr) noinline optnone {
  %load = load i8, i8* %ptr
  ; CHECK: movl $bit_mask8, %ecx
  %and = and i8 %load, ptrtoint (i8* @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}