diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 31 |
1 files changed, 4 insertions, 27 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0ceb61c0e06..2d7c89d48e5 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -21888,6 +21888,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const { case X86ISD::AND: return "X86ISD::AND"; case X86ISD::BEXTR: return "X86ISD::BEXTR"; case X86ISD::MUL_IMM: return "X86ISD::MUL_IMM"; + case X86ISD::MOVMSK: return "X86ISD::MOVMSK"; case X86ISD::PTEST: return "X86ISD::PTEST"; case X86ISD::TESTP: return "X86ISD::TESTP"; case X86ISD::TESTM: return "X86ISD::TESTM"; @@ -24018,33 +24019,9 @@ void X86TargetLowering::computeKnownBitsForTargetNode(const SDValue Op, case X86ISD::SETCC: KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - 1); break; - case ISD::INTRINSIC_WO_CHAIN: { - unsigned IntId = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue(); - unsigned NumLoBits = 0; - switch (IntId) { - default: break; - case Intrinsic::x86_sse_movmsk_ps: - case Intrinsic::x86_avx_movmsk_ps_256: - case Intrinsic::x86_sse2_movmsk_pd: - case Intrinsic::x86_avx_movmsk_pd_256: - case Intrinsic::x86_mmx_pmovmskb: - case Intrinsic::x86_sse2_pmovmskb_128: - case Intrinsic::x86_avx2_pmovmskb: { - // High bits of movmskp{s|d}, pmovmskb are known zero. - switch (IntId) { - default: llvm_unreachable("Impossible intrinsic"); // Can't reach here. - case Intrinsic::x86_sse_movmsk_ps: NumLoBits = 4; break; - case Intrinsic::x86_avx_movmsk_ps_256: NumLoBits = 8; break; - case Intrinsic::x86_sse2_movmsk_pd: NumLoBits = 2; break; - case Intrinsic::x86_avx_movmsk_pd_256: NumLoBits = 4; break; - case Intrinsic::x86_mmx_pmovmskb: NumLoBits = 8; break; - case Intrinsic::x86_sse2_pmovmskb_128: NumLoBits = 16; break; - case Intrinsic::x86_avx2_pmovmskb: NumLoBits = 32; break; - } - KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - NumLoBits); - break; - } - } + case X86ISD::MOVMSK: { + unsigned NumLoBits = Op.getOperand(0).getValueType().getVectorNumElements(); + KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - NumLoBits); break; } } |
