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R600/SI: Allow comuting fp immediates
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220062 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -712,8 +712,8 @@ MachineInstr *SIInstrInfo::commuteInstruction(MachineInstr *MI,
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return nullptr;
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if (!Src1.isReg()) {
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// XXX: Commute instructions with FPImm operands
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if (NewMI || !Src1.isImm() ||
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// Allow commuting instructions with Imm or FPImm operands.
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if (NewMI || (!Src1.isImm() && !Src1.isFPImm()) ||
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(!isVOP2(MI->getOpcode()) && !isVOP3(MI->getOpcode()))) {
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return nullptr;
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}
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@ -733,7 +733,13 @@ MachineInstr *SIInstrInfo::commuteInstruction(MachineInstr *MI,
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unsigned Reg = Src0.getReg();
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unsigned SubReg = Src0.getSubReg();
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Src0.ChangeToImmediate(Src1.getImm());
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if (Src1.isImm())
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Src0.ChangeToImmediate(Src1.getImm());
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else if (Src1.isFPImm())
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Src0.ChangeToFPImmediate(Src1.getFPImm());
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else
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llvm_unreachable("Should only have immediates");
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Src1.ChangeToRegister(Reg, false);
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Src1.setSubReg(SubReg);
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} else {
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@ -104,7 +104,7 @@ define void @store_literal_imm_f32(float addrspace(1)* %out) {
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; CHECK-LABEL: {{^}}add_inline_imm_0.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], 0.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], 0.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_0.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, 0.0
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@ -114,7 +114,7 @@ define void @add_inline_imm_0.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_0.5_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], 0.5{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], 0.5, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_0.5_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, 0.5
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@ -124,7 +124,7 @@ define void @add_inline_imm_0.5_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_neg_0.5_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], -0.5{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], -0.5, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_neg_0.5_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, -0.5
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@ -134,7 +134,7 @@ define void @add_inline_imm_neg_0.5_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_1.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], 1.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], 1.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_1.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, 1.0
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@ -144,7 +144,7 @@ define void @add_inline_imm_1.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_neg_1.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], -1.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], -1.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_neg_1.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, -1.0
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@ -154,7 +154,7 @@ define void @add_inline_imm_neg_1.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_2.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], 2.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], 2.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_2.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, 2.0
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@ -164,7 +164,7 @@ define void @add_inline_imm_2.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_neg_2.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], -2.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], -2.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_neg_2.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, -2.0
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@ -174,7 +174,7 @@ define void @add_inline_imm_neg_2.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_4.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], 4.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], 4.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_4.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, 4.0
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@ -184,10 +184,32 @@ define void @add_inline_imm_4.0_f32(float addrspace(1)* %out, float %x) {
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; CHECK-LABEL: {{^}}add_inline_imm_neg_4.0_f32
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; CHECK: S_LOAD_DWORD [[VAL:s[0-9]+]]
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], [[VAL]], -4.0{{$}}
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; CHECK: V_ADD_F32_e64 [[REG:v[0-9]+]], -4.0, [[VAL]]{{$}}
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @add_inline_imm_neg_4.0_f32(float addrspace(1)* %out, float %x) {
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%y = fadd float %x, -4.0
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store float %y, float addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: @commute_add_inline_imm_0.5_f32
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; CHECK: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]]
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; CHECK: V_ADD_F32_e32 [[REG:v[0-9]+]], 0.5, [[VAL]]
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @commute_add_inline_imm_0.5_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
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%x = load float addrspace(1)* %in
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%y = fadd float %x, 0.5
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store float %y, float addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: @commute_add_literal_f32
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; CHECK: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]]
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; CHECK: V_ADD_F32_e32 [[REG:v[0-9]+]], 0x44800000, [[VAL]]
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; CHECK-NEXT: BUFFER_STORE_DWORD [[REG]]
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define void @commute_add_literal_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
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%x = load float addrspace(1)* %in
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%y = fadd float %x, 1024.0
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store float %y, float addrspace(1)* %out
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ret void
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}
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