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adjust test so it won't completely optimize away 

llvm-svn: 274925
This commit is contained in:
Sanjay Patel 2016-07-08 20:35:53 +00:00
parent ab53fd9b50
commit 297a0e67b6
1 changed files with 4 additions and 4 deletions
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8
llvm/test/Transforms/InstCombine/logical-select.ll
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@ -302,16 +302,16 @@ define i1 @bools_multi_uses2(i1 %a, i1 %b, i1 %c) {
; CHECK-NEXT: [[AND2:%.*]] = and i1 %c, %b ; CHECK-NEXT: [[AND2:%.*]] = and i1 %c, %b
; CHECK-NEXT: [[TMP1:%.*]] = select i1 %c, i1 %b, i1 %a ; CHECK-NEXT: [[TMP1:%.*]] = select i1 %c, i1 %b, i1 %a
; CHECK-NEXT: [[ADD:%.*]] = xor i1 [[AND1]], [[AND2]] ; CHECK-NEXT: [[ADD:%.*]] = xor i1 [[AND1]], [[AND2]]
; CHECK-NEXT: [[XOR:%.*]] = xor i1 [[TMP1]], [[ADD]] ; CHECK-NEXT: [[AND3:%.*]] = and i1 [[TMP1]], [[ADD]]
; CHECK-NEXT: ret i1 [[XOR]] ; CHECK-NEXT: ret i1 [[AND3]]
; ;
%not = xor i1 %c, -1 %not = xor i1 %c, -1
%and1 = and i1 %not, %a %and1 = and i1 %not, %a
%and2 = and i1 %c, %b %and2 = and i1 %c, %b
%or = or i1 %and1, %and2 %or = or i1 %and1, %and2
%add = add i1 %and1, %and2 %add = add i1 %and1, %and2
%xor = xor i1 %or, %add %and3 = and i1 %or, %add
ret i1 %xor ret i1 %and3
} }
define <4 x i1> @vec_of_bools(<4 x i1> %a, <4 x i1> %b, <4 x i1> %c) { define <4 x i1> @vec_of_bools(<4 x i1> %a, <4 x i1> %b, <4 x i1> %c) {