File: func-ptr-lsb.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (19 lines) | stat: -rw-r--r-- 480 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; RUN: opt -passes=instcombine -S < %s | FileCheck %s

target datalayout = "e-p:32:32-n32-S64"

; CHECK-LABEL: @foo_ptr
; CHECK: and
define i32 @foo_ptr() {
entry:
  ; Even though the address of @foo is aligned, we cannot assume that the
  ; pointer has the same alignment. This is not true for e.g. ARM targets
  ; which store ARM/Thumb state in the LSB
  %and = and i32 ptrtoint (ptr @foo to i32), -4
  ret i32 %and
}

define internal void @foo() align 16 {
entry:
  ret void
}