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9c7a988e3b
filename in the output, which interferes with the tests' grep lines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81263 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
899 B
LLVM
43 lines
899 B
LLVM
; RUN: opt < %s -instcombine -S | grep {xor i32 %a, %b} | count 4
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; RUN: opt < %s -instcombine -S | not grep {and}
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define i32 @func1(i32 %a, i32 %b) nounwind readnone {
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entry:
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%b_not = xor i32 %b, -1
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%0 = and i32 %a, %b_not
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%a_not = xor i32 %a, -1
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%1 = and i32 %a_not, %b
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%2 = or i32 %0, %1
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ret i32 %2
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}
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define i32 @func2(i32 %a, i32 %b) nounwind readnone {
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entry:
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%b_not = xor i32 %b, -1
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%0 = and i32 %b_not, %a
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%a_not = xor i32 %a, -1
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%1 = and i32 %a_not, %b
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%2 = or i32 %0, %1
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ret i32 %2
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}
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define i32 @func3(i32 %a, i32 %b) nounwind readnone {
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entry:
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%b_not = xor i32 %b, -1
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%0 = and i32 %a, %b_not
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%a_not = xor i32 %a, -1
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%1 = and i32 %b, %a_not
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%2 = or i32 %0, %1
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ret i32 %2
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}
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define i32 @func4(i32 %a, i32 %b) nounwind readnone {
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entry:
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%b_not = xor i32 %b, -1
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%0 = and i32 %b_not, %a
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%a_not = xor i32 %a, -1
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%1 = and i32 %b, %a_not
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%2 = or i32 %0, %1
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ret i32 %2
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}
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