File: debugcounter-dce.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (20 lines) | stat: -rw-r--r-- 621 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; REQUIRES: asserts
; RUN: opt -dce -S -debug-counter=dce-transform-skip=1,dce-transform-count=2  < %s | FileCheck %s
;; Test that, with debug counters on, we will skip the first DCE opportunity, perform next 2,
;; and ignore all the others left.

; CHECK-LABEL: @test
; CHECK-NEXT: %add1 = add i32 1, 2
; CHECK-NEXT: %sub1 = sub i32 %add1, 1
; CHECK-NEXT: %add2 = add i32 1, 2
; CHECK-NEXT: %add3 = add i32 1, 2
; CHECK-NEXT: ret void
define void @test() {
  %add1 = add i32 1, 2
  %sub1 = sub i32 %add1, 1
  %add2 = add i32 1, 2
  %sub2 = sub i32 %add2, 1
  %add3 = add i32 1, 2
  %sub3 = sub i32 %add3, 1
  ret void
}