File: volatile_store.ll

package info (click to toggle)
llvm-toolchain-3.4 1%3A3.4.2-13
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 253,236 kB
  • ctags: 276,203
  • sloc: cpp: 1,665,580; ansic: 298,647; asm: 206,157; objc: 84,350; python: 73,119; sh: 23,466; perl: 5,679; makefile: 5,542; ml: 5,250; pascal: 2,467; lisp: 1,420; xml: 679; cs: 236; csh: 117
file content (14 lines) | stat: -rw-r--r-- 334 bytes parent folder | download | duplicates (3) 
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
}