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AMDGPU: Add Assert[SZ]Ext during argument load creation
For i16 zeroext arguments when i16 was a legal type, the known bits information from the truncate was lost. Insert a zeroext so the known bits optimizations work with the 32-bit loads. Fixes code quality regressions vs. SI in min.ll test. llvm-svn: 291461
This commit is contained in:
Matt Arsenault
parent
1f93f5639f
commit
4872e0b42c
@ -711,7 +711,8 @@ SDValue SITargetLowering::LowerParameterPtr(SelectionDAG &DAG,
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SDValue SITargetLowering::LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT,
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const SDLoc &SL, SDValue Chain,
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unsigned Offset, bool Signed) const {
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unsigned Offset, bool Signed,
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const ISD::InputArg *Arg) const {
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const DataLayout &DL = DAG.getDataLayout();
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Type *Ty = MemVT.getTypeForEVT(*DAG.getContext());
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PointerType *PtrTy = PointerType::get(Ty, AMDGPUAS::CONSTANT_ADDRESS);
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@ -725,20 +726,21 @@ SDValue SITargetLowering::LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT,
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MachineMemOperand::MODereferenceable |
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MachineMemOperand::MOInvariant);
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SDValue Val;
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SDValue Val = Load;
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if (Arg && (Arg->Flags.isSExt() || Arg->Flags.isZExt()) &&
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VT.bitsLT(MemVT)) {
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unsigned Opc = Arg->Flags.isZExt() ? ISD::AssertZext : ISD::AssertSext;
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Val = DAG.getNode(Opc, SL, MemVT, Val, DAG.getValueType(VT));
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}
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if (MemVT.isFloatingPoint())
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Val = getFPExtOrFPTrunc(DAG, Load, SL, VT);
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Val = getFPExtOrFPTrunc(DAG, Val, SL, VT);
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else if (Signed)
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Val = DAG.getSExtOrTrunc(Load, SL, VT);
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Val = DAG.getSExtOrTrunc(Val, SL, VT);
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else
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Val = DAG.getZExtOrTrunc(Load, SL, VT);
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Val = DAG.getZExtOrTrunc(Val, SL, VT);
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SDValue Ops[] = {
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Val,
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Load.getValue(1)
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};
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return DAG.getMergeValues(Ops, SL);
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return DAG.getMergeValues({ Val, Load.getValue(1) }, SL);
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}
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SDValue SITargetLowering::LowerFormalArguments(
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@ -911,7 +913,8 @@ SDValue SITargetLowering::LowerFormalArguments(
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// The first 36 bytes of the input buffer contains information about
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// thread group and global sizes.
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SDValue Arg = LowerParameter(DAG, VT, MemVT, DL, Chain,
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Offset, Ins[i].Flags.isSExt());
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Offset, Ins[i].Flags.isSExt(),
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&Ins[i]);
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Chains.push_back(Arg.getValue(1));
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auto *ParamTy =
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@ -24,7 +24,8 @@ class SITargetLowering final : public AMDGPUTargetLowering {
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SDValue LowerParameterPtr(SelectionDAG &DAG, const SDLoc &SL, SDValue Chain,
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unsigned Offset) const;
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SDValue LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT, const SDLoc &SL,
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SDValue Chain, unsigned Offset, bool Signed) const;
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SDValue Chain, unsigned Offset, bool Signed,
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const ISD::InputArg *Arg = nullptr) const;
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SDValue LowerGlobalAddress(AMDGPUMachineFunction *MFI, SDValue Op,
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SelectionDAG &DAG) const override;
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SDValue lowerImplicitZextParam(SelectionDAG &DAG, SDValue Op,
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@ -1,10 +1,9 @@
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; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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; FUNC-LABEL: {{^}}v_test_imin_sle_i32:
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; SI: v_min_i32_e32
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; GCN: v_min_i32_e32
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; EG: MIN_INT
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define void @v_test_imin_sle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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@ -17,7 +16,7 @@ define void @v_test_imin_sle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr
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}
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; FUNC-LABEL: {{^}}s_test_imin_sle_i32:
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; SI: s_min_i32
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; GCN: s_min_i32
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; EG: MIN_INT
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define void @s_test_imin_sle_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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@ -28,7 +27,7 @@ define void @s_test_imin_sle_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwin
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}
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; FUNC-LABEL: {{^}}s_test_imin_sle_v1i32:
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; SI: s_min_i32
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; GCN: s_min_i32
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; EG: MIN_INT
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define void @s_test_imin_sle_v1i32(<1 x i32> addrspace(1)* %out, <1 x i32> %a, <1 x i32> %b) nounwind {
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@ -39,10 +38,10 @@ define void @s_test_imin_sle_v1i32(<1 x i32> addrspace(1)* %out, <1 x i32> %a, <
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}
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; FUNC-LABEL: {{^}}s_test_imin_sle_v4i32:
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; SI: s_min_i32
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; SI: s_min_i32
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; SI: s_min_i32
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; SI: s_min_i32
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; GCN: s_min_i32
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; GCN: s_min_i32
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; GCN: s_min_i32
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; GCN: s_min_i32
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; EG: MIN_INT
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; EG: MIN_INT
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@ -56,11 +55,11 @@ define void @s_test_imin_sle_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> %a, <
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}
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; FUNC-LABEL: {{^}}s_test_imin_sle_i8:
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; SI: s_load_dword
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; SI: s_load_dword
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; SI: s_sext_i32_i8
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; SI: s_sext_i32_i8
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; SI: s_min_i32
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; GCN: s_load_dword
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; GCN: s_load_dword
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; GCN: s_sext_i32_i8
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; GCN: s_sext_i32_i8
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; GCN: s_min_i32
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define void @s_test_imin_sle_i8(i8 addrspace(1)* %out, i8 %a, i8 %b) nounwind {
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%cmp = icmp sle i8 %a, %b
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%val = select i1 %cmp, i8 %a, i8 %b
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@ -72,21 +71,26 @@ define void @s_test_imin_sle_i8(i8 addrspace(1)* %out, i8 %a, i8 %b) nounwind {
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; extloads with mubuf instructions.
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; FUNC-LABEL: {{^}}s_test_imin_sle_v4i8:
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; SI: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; GCN: buffer_load_sbyte
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; SI: v_min_i32
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; SI: v_min_i32
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; SI: v_min_i32
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; SI: v_min_i32
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; SI: s_endpgm
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; VI: v_min_i32
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; VI: v_min_i32
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; VI: v_min_i32
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; VI: v_min_i32
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; GCN: s_endpgm
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; EG: MIN_INT
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; EG: MIN_INT
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@ -117,7 +121,7 @@ define void @s_test_imin_sle_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> %a, <
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}
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; FUNC-LABEL: @v_test_imin_slt_i32
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; SI: v_min_i32_e32
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; GCN: v_min_i32_e32
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; EG: MIN_INT
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define void @v_test_imin_slt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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@ -130,7 +134,7 @@ define void @v_test_imin_slt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr
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}
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; FUNC-LABEL: @s_test_imin_slt_i32
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; SI: s_min_i32
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; GCN: s_min_i32
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; EG: MIN_INT
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define void @s_test_imin_slt_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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@ -141,8 +145,8 @@ define void @s_test_imin_slt_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwin
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}
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; FUNC-LABEL: {{^}}s_test_imin_slt_v2i32:
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; SI: s_min_i32
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; SI: s_min_i32
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; GCN: s_min_i32
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; GCN: s_min_i32
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; EG: MIN_INT
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; EG: MIN_INT
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@ -154,7 +158,7 @@ define void @s_test_imin_slt_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> %a, <
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}
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; FUNC-LABEL: {{^}}s_test_imin_slt_imm_i32:
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; SI: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
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; GCN: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
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; EG: MIN_INT {{.*}}literal.{{[xyzw]}}
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define void @s_test_imin_slt_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
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@ -165,7 +169,7 @@ define void @s_test_imin_slt_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
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}
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; FUNC-LABEL: {{^}}s_test_imin_sle_imm_i32:
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; SI: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
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; GCN: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
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; EG: MIN_INT {{.*}}literal.{{[xyzw]}}
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define void @s_test_imin_sle_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
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@ -176,7 +180,7 @@ define void @s_test_imin_sle_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
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}
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; FUNC-LABEL: @v_test_umin_ule_i32
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; SI: v_min_u32_e32
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; GCN: v_min_u32_e32
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; EG: MIN_UINT
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define void @v_test_umin_ule_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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@ -189,11 +193,11 @@ define void @v_test_umin_ule_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr
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}
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; FUNC-LABEL: @v_test_umin_ule_v3i32
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; SI: v_min_u32_e32
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; SI: v_min_u32_e32
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; SI: v_min_u32_e32
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; GCN: v_min_u32_e32
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; GCN: v_min_u32_e32
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; GCN: v_min_u32_e32
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; SI-NOT: v_min_u32_e32
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; SI: s_endpgm
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; GCN: s_endpgm
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; EG: MIN_UINT
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; EG: MIN_UINT
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@ -207,7 +211,7 @@ define void @v_test_umin_ule_v3i32(<3 x i32> addrspace(1)* %out, <3 x i32> addrs
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ret void
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}
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; FUNC-LABEL: @s_test_umin_ule_i32
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; SI: s_min_u32
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; GCN: s_min_u32
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; EG: MIN_UINT
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define void @s_test_umin_ule_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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@ -218,7 +222,7 @@ define void @s_test_umin_ule_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwin
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}
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; FUNC-LABEL: @v_test_umin_ult_i32
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; SI: v_min_u32_e32
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; GCN: v_min_u32_e32
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; EG: MIN_UINT
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define void @v_test_umin_ult_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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@ -231,9 +235,9 @@ define void @v_test_umin_ult_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr
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}
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; FUNC-LABEL: {{^}}v_test_umin_ult_i8:
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; SI: buffer_load_ubyte
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; SI: buffer_load_ubyte
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; SI: v_min_u32_e32
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: v_min_u32_e32
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; EG: MIN_UINT
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define void @v_test_umin_ult_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %aptr, i8 addrspace(1)* %bptr) nounwind {
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@ -246,7 +250,7 @@ define void @v_test_umin_ult_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %aptr, i
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}
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; FUNC-LABEL: @s_test_umin_ult_i32
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; SI: s_min_u32
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; GCN: s_min_u32
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; EG: MIN_UINT
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define void @s_test_umin_ult_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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@ -258,10 +262,10 @@ define void @s_test_umin_ult_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwin
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; FUNC-LABEL: @v_test_umin_ult_i32_multi_use
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; SI-NOT: v_min
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; SI: v_cmp_lt_u32
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; GCN: v_cmp_lt_u32
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; SI-NEXT: v_cndmask_b32
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; SI-NOT: v_min
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; SI: s_endpgm
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; GCN: s_endpgm
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; EG-NOT: MIN_UINT
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define void @v_test_umin_ult_i32_multi_use(i32 addrspace(1)* %out0, i1 addrspace(1)* %out1, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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@ -274,9 +278,27 @@ define void @v_test_umin_ult_i32_multi_use(i32 addrspace(1)* %out0, i1 addrspace
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ret void
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}
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; FUNC-LABEL: @v_test_umin_ult_i16_multi_use
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; GCN-NOT: v_min
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; GCN: v_cmp_lt_u32
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; GCN-NEXT: v_cndmask_b32
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; GCN-NOT: v_min
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; GCN: s_endpgm
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; EG-NOT: MIN_UINT
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define void @v_test_umin_ult_i16_multi_use(i16 addrspace(1)* %out0, i1 addrspace(1)* %out1, i16 addrspace(1)* %aptr, i16 addrspace(1)* %bptr) nounwind {
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%a = load i16, i16 addrspace(1)* %aptr, align 2
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%b = load i16, i16 addrspace(1)* %bptr, align 2
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%cmp = icmp ult i16 %a, %b
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%val = select i1 %cmp, i16 %a, i16 %b
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store i16 %val, i16 addrspace(1)* %out0, align 2
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store i1 %cmp, i1 addrspace(1)* %out1
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ret void
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}
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; FUNC-LABEL: @s_test_umin_ult_v1i32
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; SI: s_min_u32
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; GCN: s_min_u32
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; EG: MIN_UINT
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define void @s_test_umin_ult_v1i32(<1 x i32> addrspace(1)* %out, <1 x i32> %a, <1 x i32> %b) nounwind {
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@ -287,14 +309,14 @@ define void @s_test_umin_ult_v1i32(<1 x i32> addrspace(1)* %out, <1 x i32> %a, <
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}
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; FUNC-LABEL: {{^}}s_test_umin_ult_v8i32:
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; SI: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; GCN: s_min_u32
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; EG: MIN_UINT
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; EG: MIN_UINT
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@ -312,14 +334,14 @@ define void @s_test_umin_ult_v8i32(<8 x i32> addrspace(1)* %out, <8 x i32> %a, <
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}
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; FUNC-LABEL: {{^}}s_test_umin_ult_v8i16:
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; SI: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; GCN: v_min_u32
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; EG: MIN_UINT
|
||||
; EG: MIN_UINT
|
||||
@ -338,11 +360,11 @@ define void @s_test_umin_ult_v8i16(<8 x i16> addrspace(1)* %out, <8 x i16> %a, <
|
||||
|
||||
; Make sure redundant and removed
|
||||
; FUNC-LABEL: {{^}}simplify_demanded_bits_test_umin_ult_i16:
|
||||
; SI-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
|
||||
; SI-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xc
|
||||
; SI: s_min_u32 [[MIN:s[0-9]+]], [[A]], [[B]]
|
||||
; SI: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
|
||||
; SI: buffer_store_dword [[VMIN]]
|
||||
; GCN-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
|
||||
; GCN-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, {{0xc|0x30}}
|
||||
; GCN: s_min_u32 [[MIN:s[0-9]+]], [[A]], [[B]]
|
||||
; GCN: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
|
||||
; GCN: buffer_store_dword [[VMIN]]
|
||||
|
||||
; EG: MIN_UINT
|
||||
define void @simplify_demanded_bits_test_umin_ult_i16(i32 addrspace(1)* %out, i16 zeroext %a, i16 zeroext %b) nounwind {
|
||||
@ -358,11 +380,11 @@ define void @simplify_demanded_bits_test_umin_ult_i16(i32 addrspace(1)* %out, i1
|
||||
; Make sure redundant sign_extend_inreg removed.
|
||||
|
||||
; FUNC-LABEL: {{^}}simplify_demanded_bits_test_min_slt_i16:
|
||||
; SI-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
|
||||
; SI-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xc
|
||||
; SI: s_min_i32 [[MIN:s[0-9]+]], [[A]], [[B]]
|
||||
; SI: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
|
||||
; SI: buffer_store_dword [[VMIN]]
|
||||
; GCN-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
|
||||
; GCN-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, {{0xc|0x30}}
|
||||
; GCN: s_min_i32 [[MIN:s[0-9]+]], [[A]], [[B]]
|
||||
; GCN: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
|
||||
; GCN: buffer_store_dword [[VMIN]]
|
||||
|
||||
; EG: MIN_INT
|
||||
define void @simplify_demanded_bits_test_min_slt_i16(i32 addrspace(1)* %out, i16 signext %a, i16 signext %b) nounwind {
|
||||
@ -377,7 +399,7 @@ define void @simplify_demanded_bits_test_min_slt_i16(i32 addrspace(1)* %out, i16
|
||||
}
|
||||
|
||||
; FUNC-LABEL: {{^}}s_test_imin_sle_i16:
|
||||
; SI: s_min_i32
|
||||
; GCN: s_min_i32
|
||||
|
||||
; EG: MIN_INT
|
||||
define void @s_test_imin_sle_i16(i16 addrspace(1)* %out, i16 %a, i16 %b) nounwind {
|
||||
@ -389,7 +411,7 @@ define void @s_test_imin_sle_i16(i16 addrspace(1)* %out, i16 %a, i16 %b) nounwin
|
||||
|
||||
; 64 bit
|
||||
; FUNC-LABEL: {{^}}test_umin_ult_i64
|
||||
; SI: s_endpgm
|
||||
; GCN: s_endpgm
|
||||
|
||||
; EG: MIN_UINT
|
||||
; EG: MIN_UINT
|
||||
@ -401,7 +423,7 @@ define void @test_umin_ult_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind
|
||||
}
|
||||
|
||||
; FUNC-LABEL: {{^}}test_umin_ule_i64
|
||||
; SI: s_endpgm
|
||||
; GCN: s_endpgm
|
||||
|
||||
; EG: MIN_UINT
|
||||
; EG: MIN_UINT
|
||||
@ -413,7 +435,7 @@ define void @test_umin_ule_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind
|
||||
}
|
||||
|
||||
; FUNC-LABEL: {{^}}test_imin_slt_i64
|
||||
; SI: s_endpgm
|
||||
; GCN: s_endpgm
|
||||
|
||||
; EG-DAG: MIN_UINT
|
||||
; EG-DAG: MIN_INT
|
||||
@ -425,7 +447,7 @@ define void @test_imin_slt_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind
|
||||
}
|
||||
|
||||
; FUNC-LABEL: {{^}}test_imin_sle_i64
|
||||
; SI: s_endpgm
|
||||
; GCN: s_endpgm
|
||||
|
||||
; EG-DAG: MIN_UINT
|
||||
; EG-DAG: MIN_INT
|
||||
|
||||
Loading…
Reference in New Issue
Block a user