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Blackfin supports and/or/xor on i32 but not on i16. Teach DAGCombiner::SimplifyBinOpWithSameOpcodeHands to not produce illegal nodes after legalize ops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78497 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.0 KiB
LLVM
43 lines
1.0 KiB
LLVM
; RUN: llvm-as < %s | llc -march=bfin > %t
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; DAGCombiner::SimplifyBinOpWithSameOpcodeHands can produce an illegal i16 OR
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; operation after LegalizeOps.
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define void @mng_display_bgr565() {
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entry:
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br i1 false, label %bb.preheader, label %return
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bb.preheader:
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br i1 false, label %cond_true48, label %cond_next80
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cond_true48:
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%tmp = load i8* null
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%tmp51 = zext i8 %tmp to i16
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%tmp99 = load i8* null
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%tmp54 = bitcast i8 %tmp99 to i8
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%tmp54.upgrd.1 = zext i8 %tmp54 to i32
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%tmp55 = lshr i32 %tmp54.upgrd.1, 3
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%tmp55.upgrd.2 = trunc i32 %tmp55 to i16
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%tmp52 = shl i16 %tmp51, 5
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%tmp56 = and i16 %tmp55.upgrd.2, 28
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%tmp57 = or i16 %tmp56, %tmp52
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%tmp60 = zext i16 %tmp57 to i32
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%tmp62 = xor i32 0, 65535
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%tmp63 = mul i32 %tmp60, %tmp62
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%tmp65 = add i32 0, %tmp63
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%tmp69 = add i32 0, %tmp65
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%tmp70 = lshr i32 %tmp69, 16
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%tmp70.upgrd.3 = trunc i32 %tmp70 to i16
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%tmp75 = lshr i16 %tmp70.upgrd.3, 8
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%tmp75.upgrd.4 = trunc i16 %tmp75 to i8
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%tmp76 = lshr i8 %tmp75.upgrd.4, 5
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store i8 %tmp76, i8* null
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ret void
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cond_next80:
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ret void
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return:
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ret void
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}
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