6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-17 21:29:20 +00:00
Code Issues Projects Releases Wiki Activity

testcase for PR1510

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37583 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-06-15 05:57:20 +00:00
parent 041a6c9048
commit 546fdae370
1 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
test/Transforms/InstCombine/and-or-not.ll Normal file
View File

@ -0,0 +1,27 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep and
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep { or}
; PR1510
; These are all equivelent to A^B
define i32 @test1(i32 %a, i32 %b) {
entry:
%tmp3 = or i32 %b, %a ; <i32> [#uses=1]
%tmp3not = xor i32 %tmp3, -1 ; <i32> [#uses=1]
%tmp6 = and i32 %b, %a ; <i32> [#uses=1]
%tmp7 = or i32 %tmp6, %tmp3not ; <i32> [#uses=1]
%tmp7not = xor i32 %tmp7, -1 ; <i32> [#uses=1]
ret i32 %tmp7not
}
define i32 @test2(i32 %a, i32 %b) {
entry:
%tmp3 = or i32 %b, %a ; <i32> [#uses=1]
%tmp6 = and i32 %b, %a ; <i32> [#uses=1]
%tmp6not = xor i32 %tmp6, -1 ; <i32> [#uses=1]
%tmp7 = and i32 %tmp3, %tmp6not ; <i32> [#uses=1]
ret i32 %tmp7
}