File: dce_pure_invoke.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (19 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (19)
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(...)