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https://github.com/c64scene-ar/llvm-6502.git
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5d787bb93e
types. These tests mimic the integer test cases in the normal InstCombine test suite but use "strange" integer bit widths. Most tests written by Zhou Sheng, a few by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35284 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
654 B
LLVM
23 lines
654 B
LLVM
; This test case checks that the merge of and/xor can work on arbitrary
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; precision integers.
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and | wc -l | grep 1 &&
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
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; (x &z ) ^ (y & z) -> (x ^ y) & z
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define i57 @test1(i57 %x, i57 %y, i57 %z) {
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%tmp3 = and i57 %z, %x
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%tmp6 = and i57 %z, %y
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%tmp7 = xor i57 %tmp3, %tmp6
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ret i57 %tmp7
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}
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; (x & y) ^ (x | y) -> x ^ y
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define i23 @test2(i23 %x, i23 %y, i23 %z) {
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%tmp3 = and i23 %y, %x
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%tmp6 = or i23 %y, %x
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%tmp7 = xor i23 %tmp3, %tmp6
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ret i23 %tmp7
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}
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