File: volatile_store.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 (14 lines) | stat: -rw-r--r-- 334 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: opt < %s -instcombine -S | grep {store volatile}
; RUN: opt < %s -instcombine -S | grep {load volatile}

@x = weak global i32 0		; <i32*> [#uses=2]

define void @self_assign_1() {
entry:
	%tmp = load volatile i32* @x		; <i32> [#uses=1]
	store volatile i32 %tmp, i32* @x
	br label %return

return:		; preds = %entry
	ret void
}