llvm/test/Analysis/LoadVN/RLE-Preserve-Volatile.ll
Tanya Lattner dcd188d33f Remove llvm-upgrade.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47110 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-14 06:56:27 +00:00

9 lines
253 B
LLVM

; RUN: llvm-as < %s | opt -load-vn -gcse -instcombine | llvm-dis | grep sub
define i32 @test(i32* %P) {
%X = volatile load i32* %P ; <i32> [#uses=1]
%Y = volatile load i32* %P ; <i32> [#uses=1]
%Z = sub i32 %X, %Y ; <i32> [#uses=1]
ret i32 %Z
}