File: willreturn.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (18 lines) | stat: -rw-r--r-- 541 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=adce -S < %s | FileCheck %s

declare void @may_not_return(i32) nounwind readnone
declare void @will_return(i32) nounwind readnone willreturn

define void @test(i32 %a) {
; CHECK-LABEL: @test(
; CHECK-NEXT:    [[B:%.*]] = add i32 [[A:%.*]], 1
; CHECK-NEXT:    call void @may_not_return(i32 [[B]])
; CHECK-NEXT:    ret void
;
  %b = add i32 %a, 1
  call void @may_not_return(i32 %b)
  %c = add i32 %b, 1
  call void @will_return(i32 %c)
  ret void
}