llvm-6502/test/Transforms/FunctionAttrs/2008-09-03-ReadNone.ll
Bill Wendling 595ef3e314 FileCheck-ize the tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174865 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11 08:34:57 +00:00

23 lines
442 B
LLVM

; RUN: opt < %s -basicaa -functionattrs -S | FileCheck %s
@x = global i32 0
; CHECK: declare i32 @e() readnone
declare i32 @e() readnone
; CHECK: define i32 @f() readnone
define i32 @f() {
%tmp = call i32 @e( ) ; <i32> [#uses=1]
ret i32 %tmp
}
; CHECK: define i32 @g() readnone
define i32 @g() readonly {
ret i32 0
}
; CHECK: define i32 @h() readnone
define i32 @h() readnone {
%tmp = load i32* @x ; <i32> [#uses=1]
ret i32 %tmp
}