File: dce_pure_invoke.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (19 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (17) 
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(...)