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fix typos, remove noise; NFCI

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247035 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2015-09-08 17:58:22 +00:00
parent 828d315fd6
commit c832b3af78
1 changed files with 24 additions and 23 deletions
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47
test/Transforms/InstCombine/not.ll
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@ -5,51 +5,51 @@
; CHECK-NOT: xor
define i32 @test1(i32 %A) {
%B = xor i32 %A, -1 ; <i32> [#uses=1]
%C = xor i32 %B, -1 ; <i32> [#uses=1]
%B = xor i32 %A, -1
%C = xor i32 %B, -1
ret i32 %C
}
define i1 @test2(i32 %A, i32 %B) {
; Can change into setge
%cond = icmp sle i32 %A, %B ; <i1> [#uses=1]
%Ret = xor i1 %cond, true ; <i1> [#uses=1]
%cond = icmp sle i32 %A, %B
%Ret = xor i1 %cond, true
ret i1 %Ret
}
; Test that demorgans law can be instcombined
; Test that De Morgan's law can be instcombined.
define i32 @test3(i32 %A, i32 %B) {
%a = xor i32 %A, -1 ; <i32> [#uses=1]
%b = xor i32 %B, -1 ; <i32> [#uses=1]
%c = and i32 %a, %b ; <i32> [#uses=1]
%d = xor i32 %c, -1 ; <i32> [#uses=1]
%a = xor i32 %A, -1
%b = xor i32 %B, -1
%c = and i32 %a, %b
%d = xor i32 %c, -1
ret i32 %d
}
; Test that demorgens law can work with constants
; Test that De Morgan's law can work with constants.
define i32 @test4(i32 %A, i32 %B) {
%a = xor i32 %A, -1 ; <i32> [#uses=1]
%c = and i32 %a, 5 ; <i32> [#uses=1]
%d = xor i32 %c, -1 ; <i32> [#uses=1]
%a = xor i32 %A, -1
%c = and i32 %a, 5
%d = xor i32 %c, -1
ret i32 %d
}
; test the mirror of demorgans law...
; Test the mirror of De Morgan's law.
define i32 @test5(i32 %A, i32 %B) {
%a = xor i32 %A, -1 ; <i32> [#uses=1]
%b = xor i32 %B, -1 ; <i32> [#uses=1]
%c = or i32 %a, %b ; <i32> [#uses=1]
%d = xor i32 %c, -1 ; <i32> [#uses=1]
%a = xor i32 %A, -1
%b = xor i32 %B, -1
%c = or i32 %a, %b
%d = xor i32 %c, -1
ret i32 %d
}
; PR2298
define zeroext i8 @test6(i32 %a, i32 %b) nounwind {
define zeroext i8 @test6(i32 %a, i32 %b) {
entry:
%tmp1not = xor i32 %a, -1 ; <i32> [#uses=1]
%tmp2not = xor i32 %b, -1 ; <i32> [#uses=1]
%tmp3 = icmp slt i32 %tmp1not, %tmp2not ; <i1> [#uses=1]
%retval67 = zext i1 %tmp3 to i8 ; <i8> [#uses=1]
%tmp1not = xor i32 %a, -1
%tmp2not = xor i32 %b, -1
%tmp3 = icmp slt i32 %tmp1not, %tmp2not
%retval67 = zext i1 %tmp3 to i8
ret i8 %retval67
}
@ -58,3 +58,4 @@ define <2 x i1> @test7(<2 x i32> %A, <2 x i32> %B) {
%Ret = xor <2 x i1> %cond, <i1 true, i1 true>
ret <2 x i1> %Ret
}