File: dce_pure_invoke.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (19 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; RUN: opt < %s -passes=adce -S | grep null

declare i32 @strlen(ptr) readnone

define i32 @test() personality ptr @__gxx_personality_v0 {
	; invoke of pure function should not be deleted!
	invoke i32 @strlen( ptr null ) readnone
			to label %Cont unwind label %Other		; <i32>:1 [#uses=0]

Cont:		; preds = %0
	ret i32 0

Other:		; preds = %0
         %exn = landingpad {ptr, i32}
                  cleanup
	ret i32 1
}

declare i32 @__gxx_personality_v0(...)