File: tailcall-assume.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (15 lines) | stat: -rw-r--r-- 373 bytes parent folder | download | duplicates (15)
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)