File: freeze.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (28 lines) | stat: -rw-r--r-- 723 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
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s

@g = external global i16, align 1
@g2 = external global i16, align 1

define i64 @ptrdiff1() {
; CHECK-LABEL: @ptrdiff1(
; CHECK-NEXT:    ret i64 sub (i64 ptrtoint (ptr @g to i64), i64 ptrtoint (ptr @g2 to i64))
;
  %i = ptrtoint ptr @g to i64
  %i2 = ptrtoint ptr @g2 to i64
  %diff = sub i64 %i, %i2
  %r = freeze i64 %diff
  ret i64 %r
}

define i64 @ptrdiff2() {
; CHECK-LABEL: @ptrdiff2(
; CHECK-NEXT:    ret i64 -2
;
  %i = ptrtoint ptr @g to i64
  %gep = getelementptr i16, ptr @g, i64 1
  %i2 = ptrtoint ptr %gep to i64
  %diff = sub i64 %i, %i2
  %r = freeze i64 %diff
  ret i64 %r
}