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https://github.com/c64scene-ar/llvm-6502.git
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2b544beda3
Upgrade tests to work with new llvm.exp version of llvm_runtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36013 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
; Test that elimination of logical operators works with
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; arbitrary precision integers.
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
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; RUN: not grep {(and\|xor\|add\|shl\|shr)}
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; END.
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define i33 @test1(i33 %x) {
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%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
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%tmp.2 = xor i33 %tmp.1, -32768 ; <i33> [#uses=1]
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%tmp.3 = add i33 %tmp.2, 32768 ; <i33> [#uses=1]
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ret i33 %tmp.3
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}
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define i33 @test2(i33 %x) {
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%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
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%tmp.2 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
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%tmp.3 = add i33 %tmp.2, -32768 ; <i33> [#uses=1]
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ret i33 %tmp.3
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}
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define i33 @test3(i16 %P) {
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%tmp.1 = zext i16 %P to i33 ; <i33> [#uses=1]
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%tmp.4 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
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%tmp.5 = add i33 %tmp.4, -32768 ; <i33> [#uses=1]
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ret i33 %tmp.5
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}
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define i33 @test5(i33 %x) {
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%tmp.1 = and i33 %x, 254
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%tmp.2 = xor i33 %tmp.1, 128
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%tmp.3 = add i33 %tmp.2, -128
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ret i33 %tmp.3
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}
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define i33 @test6(i33 %x) {
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%tmp.2 = shl i33 %x, 16 ; <i33> [#uses=1]
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%tmp.4 = lshr i33 %tmp.2, 16 ; <i33> [#uses=1]
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ret i33 %tmp.4
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}
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