llvm/test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll
Bill Wendling 75920ad424 FileCheck-ize tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155434 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-24 10:45:44 +00:00

21 lines
422 B
LLVM

; RUN: opt < %s -globalsmodref-aa -gvn -S | FileCheck %s
@g = internal global i32 0 ; <i32*> [#uses=2]
define i32 @r() {
%tmp = load i32* @g ; <i32> [#uses=1]
ret i32 %tmp
}
define i32 @f() {
; CHECK: call i32 @e()
; CHECK: call i32 @e()
entry:
%tmp = call i32 @e( ) ; <i32> [#uses=1]
store i32 %tmp, i32* @g
%tmp2 = call i32 @e( ) ; <i32> [#uses=1]
ret i32 %tmp2
}
declare i32 @e() readonly ; might call @r