File: tailcall-assume.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 (15 lines) | stat: -rw-r--r-- 373 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s

; Intrinsic call to @llvm.assume should not prevent tail call optimization.
; CHECK-LABEL: foo:
; CHECK:       jmp bar # TAILCALL
define ptr @foo() {
  %1 = tail call ptr @bar()
  %2 = icmp ne ptr %1, null
  tail call void @llvm.assume(i1 %2)
  ret ptr %1
}

declare dso_local ptr @bar()
declare void @llvm.assume(i1)