File: stacksave-restore.ll

package info (click to toggle)
llvm-2.9 2.9%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 69,236 kB
  • sloc: cpp: 439,289; ansic: 16,211; asm: 13,295; sh: 12,912; python: 4,459; ml: 4,274; perl: 2,093; makefile: 1,808; pascal: 1,481; exp: 427; objc: 334; xml: 283; ada: 235; lisp: 187; csh: 117; f90: 36
file content (14 lines) | stat: -rw-r--r-- 378 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: llc < %s

declare i8* @llvm.stacksave()

declare void @llvm.stackrestore(i8*)

define i32* @test(i32 %N) {
        %tmp = call i8* @llvm.stacksave( )              ; <i8*> [#uses=1]
        %P = alloca i32, i32 %N         ; <i32*> [#uses=1]
        call void @llvm.stackrestore( i8* %tmp )
        %Q = alloca i32, i32 %N         ; <i32*> [#uses=0]
        ret i32* %P
}