Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Patch by Zhizhou Yang! Differential Revision: https://reviews.llvm.org/D50092 llvm-svn: 342170
- Loading branch information
1 parent
008982d
commit 7a8dc3d
Showing
2 changed files
with
28 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,20 @@ | ||
; 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 | ||
} |