File: move_alloca_for_tail_call.ll

package info (click to toggle)
llvm-3.1 3.1-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 80,224 kB
  • sloc: cpp: 491,014; asm: 110,971; ansic: 14,579; sh: 13,120; python: 6,152; ml: 4,719; makefile: 1,830; pascal: 1,553; perl: 874; xml: 283; lisp: 187; csh: 117; exp: 4
file content (15 lines) | stat: -rw-r--r-- 290 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: opt -tailcallelim %s -S | FileCheck %s
; PR615

declare void @bar(i32*)

define i32 @foo() {
; CHECK: i32 @foo()
; CHECK-NEXT: alloca
	%A = alloca i32		; <i32*> [#uses=2]
	store i32 17, i32* %A
	call void @bar( i32* %A )
	%X = tail call i32 @foo( )		; <i32> [#uses=1]
	ret i32 %X
}