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R600: Move more out of AMDILISelLowering 

llvm-svn: 211516
This commit is contained in:
Matt Arsenault 2014-06-23 18:00:44 +00:00
parent 72573adbf2
commit e54e1c3a21
3 changed files with 19 additions and 37 deletions
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13
llvm/lib/Target/R600/AMDGPUISelLowering.cpp
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@ -111,6 +111,14 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
// Initialize target lowering borrowed from AMDIL
InitAMDILLowering();
setOperationAction(ISD::Constant, MVT::i32, Legal);
setOperationAction(ISD::Constant, MVT::i64, Legal);
setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
setOperationAction(ISD::BR_JT, MVT::Other, Expand);
setOperationAction(ISD::BRIND, MVT::Other, Expand);
// We need to custom lower some of the intrinsics
setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
@ -300,6 +308,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::UDIVREM, VT, Custom);
setOperationAction(ISD::SELECT, VT, Expand);
setOperationAction(ISD::VSELECT, VT, Expand);
setOperationAction(ISD::SELECT_CC, VT, Expand);
setOperationAction(ISD::XOR, VT, Expand);
setOperationAction(ISD::BSWAP, VT, Expand);
setOperationAction(ISD::CTPOP, VT, Expand);
@ -307,6 +316,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Expand);
setOperationAction(ISD::CTLZ, VT, Expand);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, VT, Expand);
setOperationAction(ISD::VECTOR_SHUFFLE, VT, Expand);
}
static const MVT::SimpleValueType FloatVectorTypes[] = {
@ -333,7 +343,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::FNEG, VT, Expand);
setOperationAction(ISD::SELECT, VT, Expand);
setOperationAction(ISD::VSELECT, VT, Expand);
setOperationAction(ISD::SELECT_CC, VT, Expand);
setOperationAction(ISD::FCOPYSIGN, VT, Expand);
setOperationAction(ISD::VECTOR_SHUFFLE, VT, Expand);
}
setOperationAction(ISD::FNEARBYINT, MVT::f32, Custom);
@ -348,6 +360,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
// There are no integer divide instructions, and these expand to a pretty
// large sequence of instructions.
setIntDivIsCheap(false);
setPow2DivIsCheap(false);
// TODO: Investigate this when 64-bit divides are implemented.
addBypassSlowDiv(64, 32);

39
llvm/lib/Target/R600/AMDILISelLowering.cpp
View File

@ -13,7 +13,6 @@
//===----------------------------------------------------------------------===//
#include "AMDGPUISelLowering.h"
#include "AMDGPUSubtarget.h"
#include "llvm/CodeGen/SelectionDAG.h"
using namespace llvm;
@ -24,56 +23,24 @@ using namespace llvm;
void AMDGPUTargetLowering::InitAMDILLowering() {
static const MVT::SimpleValueType types[] = {
MVT::i32,
MVT::f32,
MVT::f64,
MVT::i64,
MVT::v4f32,
MVT::v4i32,
MVT::v2f32,
MVT::v2i32
MVT::v2i32,
MVT::v4i32
};
static const MVT::SimpleValueType VectorTypes[] = {
MVT::v4f32,
MVT::v4i32,
MVT::v2f32,
MVT::v2i32
};
const AMDGPUSubtarget &STM = getTargetMachine().getSubtarget<AMDGPUSubtarget>();
for (MVT VT : types) {
setOperationAction(ISD::SUBE, VT, Expand);
setOperationAction(ISD::SUBC, VT, Expand);
setOperationAction(ISD::ADDE, VT, Expand);
setOperationAction(ISD::ADDC, VT, Expand);
setOperationAction(ISD::BRCOND, VT, Custom);
setOperationAction(ISD::BR_JT, VT, Expand);
setOperationAction(ISD::BRIND, VT, Expand);
}
for (MVT VT : VectorTypes) {
setOperationAction(ISD::VECTOR_SHUFFLE, VT, Expand);
setOperationAction(ISD::SELECT_CC, VT, Expand);
}
if (STM.hasHWFP64()) {
setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
setOperationAction(ISD::FABS, MVT::f64, Expand);
}
setOperationAction(ISD::SUBC, MVT::Other, Expand);
setOperationAction(ISD::ADDE, MVT::Other, Expand);
setOperationAction(ISD::ADDC, MVT::Other, Expand);
setOperationAction(ISD::BRCOND, MVT::Other, Custom);
setOperationAction(ISD::BR_JT, MVT::Other, Expand);
setOperationAction(ISD::BRIND, MVT::Other, Expand);
setOperationAction(ISD::Constant, MVT::i32, Legal);
setOperationAction(ISD::Constant, MVT::i64, Legal);
setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
setPow2DivIsCheap(false);
setSelectIsExpensive(true); // FIXME: This makes no sense at all
}

4
llvm/lib/Target/R600/SIISelLowering.cpp
View File

@ -138,6 +138,7 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::v4f32, Custom);
setOperationAction(ISD::INTRINSIC_VOID, MVT::Other, Custom);
setOperationAction(ISD::BRCOND, MVT::Other, Custom);
setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::i8, Custom);
@ -214,9 +215,10 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setOperationAction(ISD::FRINT, MVT::f64, Legal);
}
// FIXME: This should be removed and handled the same was as f32 fneg. Source
// FIXME: These should be removed and handled the same was as f32 fneg. Source
// modifiers also work for the double instructions.
setOperationAction(ISD::FNEG, MVT::f64, Expand);
setOperationAction(ISD::FABS, MVT::f64, Expand);
setTargetDAGCombine(ISD::SELECT_CC);
setTargetDAGCombine(ISD::SETCC);