[llvm-branch-commits] [llvm-branch] r109551 - in /llvm/branches/Apple/Morbo: ./ lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86ISelLowering.h test/CodeGen/X86/vec_shift4.ll
Bill Wendling
isanbard at gmail.com
Tue Jul 27 15:44:33 PDT 2010
Author: void
Date: Tue Jul 27 17:44:33 2010
New Revision: 109551
URL: http://llvm.org/viewvc/llvm-project?rev=109551&view=rev
Log:
$ svn merge -c 109549 https://llvm.org/svn/llvm-project/llvm/trunk
--- Merging r109549 into '.':
A test/CodeGen/X86/vec_shift4.ll
U lib/Target/X86/X86ISelLowering.cpp
U lib/Target/X86/X86ISelLowering.h
Added:
llvm/branches/Apple/Morbo/test/CodeGen/X86/vec_shift4.ll
- copied unchanged from r109549, llvm/trunk/test/CodeGen/X86/vec_shift4.ll
Modified:
llvm/branches/Apple/Morbo/ (props changed)
llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.cpp
llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.h
Propchange: llvm/branches/Apple/Morbo/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jul 27 17:44:33 2010
@@ -1,3 +1,3 @@
/llvm/branches/Apple/Hermes:96832,96835,96858,96870,96876,96879,104427,104930,104971
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/llvm-gcc-4.2/trunk:104182
Modified: llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.cpp?rev=109551&r1=109550&r2=109551&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.cpp Tue Jul 27 17:44:33 2010
@@ -849,6 +849,9 @@
// FIXME: Do we need to handle scalar-to-vector here?
setOperationAction(ISD::MUL, MVT::v4i32, Legal);
+ // Can turn SHL into an integer multiply.
+ setOperationAction(ISD::SHL, MVT::v4i32, Custom);
+
// i8 and i16 vectors are custom , because the source register and source
// source memory operand types are not the same width. f32 vectors are
// custom since the immediate controlling the insert encodes additional
@@ -7569,6 +7572,35 @@
return Res;
}
+SDValue X86TargetLowering::LowerSHL(SDValue Op, SelectionDAG &DAG) {
+ EVT VT = Op.getValueType();
+ DebugLoc dl = Op.getDebugLoc();
+ SDValue R = Op.getOperand(0);
+
+ assert(Subtarget->hasSSE41() && "Cannot lower SHL without SSE4.1 or later");
+ assert(VT == MVT::v4i32 && "Only know how to lower v4i32");
+
+ Op = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
+ DAG.getConstant(Intrinsic::x86_sse2_pslli_d, MVT::i32),
+ Op.getOperand(1), DAG.getConstant(23, MVT::i32));
+
+ std::vector<Constant*> CV;
+ LLVMContext *Context = DAG.getContext();
+ CV.push_back(ConstantInt::get(*Context, APInt(32, 0x3f800000U)));
+ CV.push_back(ConstantInt::get(*Context, APInt(32, 0x3f800000U)));
+ CV.push_back(ConstantInt::get(*Context, APInt(32, 0x3f800000U)));
+ CV.push_back(ConstantInt::get(*Context, APInt(32, 0x3f800000U)));
+ Constant *C = ConstantVector::get(CV);
+ SDValue CPIdx = DAG.getConstantPool(C, getPointerTy(), 16);
+ SDValue Addend = DAG.getLoad(VT, dl, DAG.getEntryNode(), CPIdx,
+ PseudoSourceValue::getConstantPool(), 0,
+ false, false, 16);
+
+ Op = DAG.getNode(ISD::ADD, dl, VT, Op, Addend);
+ Op = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::v4f32, Op);
+ Op = DAG.getNode(ISD::FP_TO_SINT, dl, VT, Op);
+ return DAG.getNode(ISD::MUL, dl, VT, Op, R);
+}
SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) {
// Lower the "add/sub/mul with overflow" instruction into a regular ins plus
@@ -7771,6 +7803,7 @@
case ISD::CTLZ: return LowerCTLZ(Op, DAG);
case ISD::CTTZ: return LowerCTTZ(Op, DAG);
case ISD::MUL: return LowerMUL_V2I64(Op, DAG);
+ case ISD::SHL: return LowerSHL(Op, DAG);
case ISD::SADDO:
case ISD::UADDO:
case ISD::SSUBO:
Modified: llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.h?rev=109551&r1=109550&r2=109551&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.h (original)
+++ llvm/branches/Apple/Morbo/lib/Target/X86/X86ISelLowering.h Tue Jul 27 17:44:33 2010
@@ -722,6 +722,7 @@
SDValue LowerCTLZ(SDValue Op, SelectionDAG &DAG);
SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG);
SDValue LowerMUL_V2I64(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerSHL(SDValue Op, SelectionDAG &DAG);
SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG);
SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG);
SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG);
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