File: absolute-constant.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (28 lines) | stat: -rw-r--r-- 770 bytes parent folder | download | duplicates (7)
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

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

@foo = external global i8, align 1, !absolute_symbol !0

define void @bar(i8* %x) {
entry:
  %0 = load i8, i8* %x, align 1
  %conv = sext i8 %0 to i32
  ; CHECK: testb $foo, (%rdi)
  %and = and i32 %conv, sext (i8 ptrtoint (i8* @foo to i8) to i32)
  %tobool = icmp eq i32 %and, 0
  br i1 %tobool, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  tail call void (...) @xf()
  br label %if.end

if.end:                                           ; preds = %entry, %if.then
  ret void
}

declare void @xf(...)

!0 = !{i32 0, i32 256}