diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 17 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/half.ll | 3 |
2 files changed, 2 insertions, 18 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index c887be42ec6..4c9aac5953a 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -29639,23 +29639,6 @@ bool X86TargetLowering::IsDesirableToPromoteOp(SDValue Op, EVT &PVT) const { bool Commute = false; switch (Op.getOpcode()) { default: break; - case ISD::LOAD: { - LoadSDNode *LD = cast<LoadSDNode>(Op); - // If the non-extending load has a single use and it's not live out, then it - // might be folded. - if (LD->getExtensionType() == ISD::NON_EXTLOAD /*&& - Op.hasOneUse()*/) { - for (SDNode::use_iterator UI = Op.getNode()->use_begin(), - UE = Op.getNode()->use_end(); UI != UE; ++UI) { - // The only case where we'd want to promote LOAD (rather then it being - // promoted as an operand is when it's only use is liveout. - if (UI->getOpcode() != ISD::CopyToReg) - return false; - } - } - Promote = true; - break; - } case ISD::SIGN_EXTEND: case ISD::ZERO_EXTEND: case ISD::ANY_EXTEND: diff --git a/llvm/test/CodeGen/X86/half.ll b/llvm/test/CodeGen/X86/half.ll index 4c164b58bfe..9a9fb582055 100644 --- a/llvm/test/CodeGen/X86/half.ll +++ b/llvm/test/CodeGen/X86/half.ll @@ -19,7 +19,8 @@ define void @test_load_store(half* %in, half* %out) { define i16 @test_bitcast_from_half(half* %addr) { ; CHECK-LABEL: test_bitcast_from_half: -; CHECK: movzwl (%rdi), %eax +; BWON: movzwl (%rdi), %eax +; BWOFF: movw (%rdi), %ax %val = load half, half* %addr %val_int = bitcast half %val to i16 ret i16 %val_int |
