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filecheckize

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93775 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-18 21:58:32 +00:00
parent 569a7b9237
commit f08872048f
1 changed files with 19 additions and 13 deletions
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32
test/Transforms/Reassociate/inverses.ll
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@ -1,28 +1,34 @@
; RUN: opt < %s -reassociate -dce -S | \
; RUN: not grep {\\(and\\|sub\\)}
; RUN: opt < %s -reassociate -die -S | FileCheck %s
define i32 @test1(i32 %a, i32 %b) {
%tmp.2 = and i32 %b, %a ; <i32> [#uses=1]
%tmp.4 = xor i32 %a, -1 ; <i32> [#uses=1]
%tmp.2 = and i32 %b, %a
%tmp.4 = xor i32 %a, -1
; (A&B)&~A == 0
%tmp.5 = and i32 %tmp.2, %tmp.4 ; <i32> [#uses=1]
%tmp.5 = and i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK: @test1
; CHECK: ret i32 0
}
define i32 @test2(i32 %a, i32 %b) {
%tmp.1 = and i32 %a, 1234 ; <i32> [#uses=1]
%tmp.2 = and i32 %b, %tmp.1 ; <i32> [#uses=1]
%tmp.4 = xor i32 %a, -1 ; <i32> [#uses=1]
%tmp.1 = and i32 %a, 1234
%tmp.2 = and i32 %b, %tmp.1
%tmp.4 = xor i32 %a, -1
; A&~A == 0
%tmp.5 = and i32 %tmp.2, %tmp.4 ; <i32> [#uses=1]
%tmp.5 = and i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK: @test2
; CHECK: ret i32 0
}
define i32 @test3(i32 %b, i32 %a) {
%tmp.1 = add i32 %a, 1234 ; <i32> [#uses=1]
%tmp.2 = add i32 %b, %tmp.1 ; <i32> [#uses=1]
%tmp.4 = sub i32 0, %a ; <i32> [#uses=1]
%tmp.1 = add i32 %a, 1234
%tmp.2 = add i32 %b, %tmp.1
%tmp.4 = sub i32 0, %a
; (b+(a+1234))+-a -> b+1234
%tmp.5 = add i32 %tmp.2, %tmp.4 ; <i32> [#uses=1]
%tmp.5 = add i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK: @test3
; CHECK: %tmp.5 = add i32 %b, 1234
; CHECK: ret i32 %tmp.5
}