File: 2013-05-17-VarargsAndBlockAddress.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 (25 lines) | stat: -rw-r--r-- 670 bytes parent folder | download | duplicates (12) 
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
 
; RUN: opt %s -passes=deadargelim -S | FileCheck %s


@block_addr = global ptr blockaddress(@varargs_func, %l1)
; CHECK: @block_addr = global ptr blockaddress(@varargs_func, %l1)


; This function is referenced by a "blockaddress" constant but it is
; not address-taken, so the pass should be able to remove its unused
; varargs.

define internal i32 @varargs_func(ptr %addr, ...) {
  indirectbr ptr %addr, [ label %l1, label %l2 ]
l1:
  ret i32 1
l2:
  ret i32 2
}
; CHECK: define internal i32 @varargs_func(ptr %addr) {

define i32 @caller(ptr %addr) {
  %r = call i32 (ptr, ...) @varargs_func(ptr %addr)
  ret i32 %r
}
; CHECK: %r = call i32 @varargs_func(ptr %addr)