File: fast-isel-tailcall.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 (13 lines) | stat: -rw-r--r-- 441 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
; RUN: llc < %s -fast-isel -tailcallopt -mtriple=i686-- | FileCheck %s
; CHECK-NOT: add
; PR4154

; On x86, -tailcallopt changes the ABI so the caller shouldn't readjust
; the stack pointer after the call in this code.

define i32 @stub(ptr %t0) nounwind {
entry:
        %t1 = load i32, ptr inttoptr (i32 139708680 to ptr)         ; <i32> [#uses=1]
        %t3 = call fastcc i32 %t0(i32 %t1)         ; <i32> [#uses=1]
        ret i32 %t3
}