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[NFC][AMDGPU] Use !foreach to replace explicit list of registers #114005

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Oct 29, 2024
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[NFC][AMDGPU] Use !foreach to replace explicit list of registers #114005

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126 changes: 29 additions & 97 deletions llvm/lib/Target/AMDGPU/AMDGPUCallingConv.td
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Original file line number Diff line number Diff line change
Expand Up @@ -22,19 +22,13 @@ def CC_SI_Gfx : CallingConv<[
// 32 is reserved for the stack pointer
// 33 is reserved for the frame pointer
// 34 is reserved for the base pointer
CCIfInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<[
SGPR4, SGPR5, SGPR6, SGPR7,
SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21, SGPR22, SGPR23,
SGPR24, SGPR25, SGPR26, SGPR27, SGPR28, SGPR29
]>>>,

CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31
]>>>,
CCIfInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(4, 30), !cast<Register>("SGPR"#i)) // SGPR4-29
>>>,

CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(0, 32), !cast<Register>("VGPR"#i)) // VGPR0-31
>>>,

CCIfType<[i32, f32, v2i16, v2f16, i16, f16, i1, bf16, v2bf16], CCAssignToStack<4, 4>>
]>;
Expand All @@ -43,93 +37,35 @@ def RetCC_SI_Gfx : CallingConv<[
CCIfType<[i1], CCPromoteToType<i32>>,
CCIfType<[i1, i16], CCIfExtend<CCPromoteToType<i32>>>,

CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31,
VGPR32, VGPR33, VGPR34, VGPR35, VGPR36, VGPR37, VGPR38, VGPR39,
VGPR40, VGPR41, VGPR42, VGPR43, VGPR44, VGPR45, VGPR46, VGPR47,
VGPR48, VGPR49, VGPR50, VGPR51, VGPR52, VGPR53, VGPR54, VGPR55,
VGPR56, VGPR57, VGPR58, VGPR59, VGPR60, VGPR61, VGPR62, VGPR63,
VGPR64, VGPR65, VGPR66, VGPR67, VGPR68, VGPR69, VGPR70, VGPR71,
VGPR72, VGPR73, VGPR74, VGPR75, VGPR76, VGPR77, VGPR78, VGPR79,
VGPR80, VGPR81, VGPR82, VGPR83, VGPR84, VGPR85, VGPR86, VGPR87,
VGPR88, VGPR89, VGPR90, VGPR91, VGPR92, VGPR93, VGPR94, VGPR95,
VGPR96, VGPR97, VGPR98, VGPR99, VGPR100, VGPR101, VGPR102, VGPR103,
VGPR104, VGPR105, VGPR106, VGPR107, VGPR108, VGPR109, VGPR110, VGPR111,
VGPR112, VGPR113, VGPR114, VGPR115, VGPR116, VGPR117, VGPR118, VGPR119,
VGPR120, VGPR121, VGPR122, VGPR123, VGPR124, VGPR125, VGPR126, VGPR127,
VGPR128, VGPR129, VGPR130, VGPR131, VGPR132, VGPR133, VGPR134, VGPR135
]>>>,
CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(0, 136), !cast<Register>("VGPR"#i)) // VGPR0-135
>>>,
]>;

def CC_SI_SHADER : CallingConv<[

CCIfType<[i1], CCPromoteToType<i32>>,

CCIfInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<[
SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21, SGPR22, SGPR23,
SGPR24, SGPR25, SGPR26, SGPR27, SGPR28, SGPR29, SGPR30, SGPR31,
SGPR32, SGPR33, SGPR34, SGPR35, SGPR36, SGPR37, SGPR38, SGPR39,
SGPR40, SGPR41, SGPR42, SGPR43
]>>>,

CCIfInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(0, 44), !cast<Register>("SGPR"#i)) // SGPR0-43
>>>,

// 32*4 + 4 is the minimum for a fetch shader consumer with 32 inputs.
CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31,
VGPR32, VGPR33, VGPR34, VGPR35, VGPR36, VGPR37, VGPR38, VGPR39,
VGPR40, VGPR41, VGPR42, VGPR43, VGPR44, VGPR45, VGPR46, VGPR47,
VGPR48, VGPR49, VGPR50, VGPR51, VGPR52, VGPR53, VGPR54, VGPR55,
VGPR56, VGPR57, VGPR58, VGPR59, VGPR60, VGPR61, VGPR62, VGPR63,
VGPR64, VGPR65, VGPR66, VGPR67, VGPR68, VGPR69, VGPR70, VGPR71,
VGPR72, VGPR73, VGPR74, VGPR75, VGPR76, VGPR77, VGPR78, VGPR79,
VGPR80, VGPR81, VGPR82, VGPR83, VGPR84, VGPR85, VGPR86, VGPR87,
VGPR88, VGPR89, VGPR90, VGPR91, VGPR92, VGPR93, VGPR94, VGPR95,
VGPR96, VGPR97, VGPR98, VGPR99, VGPR100, VGPR101, VGPR102, VGPR103,
VGPR104, VGPR105, VGPR106, VGPR107, VGPR108, VGPR109, VGPR110, VGPR111,
VGPR112, VGPR113, VGPR114, VGPR115, VGPR116, VGPR117, VGPR118, VGPR119,
VGPR120, VGPR121, VGPR122, VGPR123, VGPR124, VGPR125, VGPR126, VGPR127,
VGPR128, VGPR129, VGPR130, VGPR131, VGPR132, VGPR133, VGPR134, VGPR135
]>>>
CCIfNotInReg<CCIfType<[f32, i32, f16, i16, v2i16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(0, 136), !cast<Register>("VGPR"#i)) // VGPR0-135
>>>
]>;

def RetCC_SI_Shader : CallingConv<[
CCIfType<[i1, i16], CCIfExtend<CCPromoteToType<i32>>>,
CCIfType<[i32, i16, v2i16] , CCAssignToReg<[
SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21, SGPR22, SGPR23,
SGPR24, SGPR25, SGPR26, SGPR27, SGPR28, SGPR29, SGPR30, SGPR31,
SGPR32, SGPR33, SGPR34, SGPR35, SGPR36, SGPR37, SGPR38, SGPR39,
SGPR40, SGPR41, SGPR42, SGPR43
]>>,
CCIfType<[i32, i16, v2i16] , CCAssignToReg<
!foreach(i, !range(0, 44), !cast<Register>("SGPR"#i)) // SGPR0-43
>>,

// 32*4 + 4 is the minimum for a fetch shader with 32 outputs.
CCIfType<[f32, f16, v2f16, bf16, v2bf16] , CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31,
VGPR32, VGPR33, VGPR34, VGPR35, VGPR36, VGPR37, VGPR38, VGPR39,
VGPR40, VGPR41, VGPR42, VGPR43, VGPR44, VGPR45, VGPR46, VGPR47,
VGPR48, VGPR49, VGPR50, VGPR51, VGPR52, VGPR53, VGPR54, VGPR55,
VGPR56, VGPR57, VGPR58, VGPR59, VGPR60, VGPR61, VGPR62, VGPR63,
VGPR64, VGPR65, VGPR66, VGPR67, VGPR68, VGPR69, VGPR70, VGPR71,
VGPR72, VGPR73, VGPR74, VGPR75, VGPR76, VGPR77, VGPR78, VGPR79,
VGPR80, VGPR81, VGPR82, VGPR83, VGPR84, VGPR85, VGPR86, VGPR87,
VGPR88, VGPR89, VGPR90, VGPR91, VGPR92, VGPR93, VGPR94, VGPR95,
VGPR96, VGPR97, VGPR98, VGPR99, VGPR100, VGPR101, VGPR102, VGPR103,
VGPR104, VGPR105, VGPR106, VGPR107, VGPR108, VGPR109, VGPR110, VGPR111,
VGPR112, VGPR113, VGPR114, VGPR115, VGPR116, VGPR117, VGPR118, VGPR119,
VGPR120, VGPR121, VGPR122, VGPR123, VGPR124, VGPR125, VGPR126, VGPR127,
VGPR128, VGPR129, VGPR130, VGPR131, VGPR132, VGPR133, VGPR134, VGPR135
]>>
CCIfType<[f32, f16, v2f16, bf16, v2bf16] , CCAssignToReg<
!foreach(i, !range(0, 136), !cast<Register>("VGPR"#i)) // VGPR0-135
>>
]>;

def CSR_AMDGPU_VGPRs : CalleeSavedRegs<
Expand Down Expand Up @@ -194,23 +130,19 @@ def CC_AMDGPU_Func : CallingConv<[
!foreach(i, !range(0, 30), !cast<Register>("SGPR"#i)) // SGPR0-29
>>>,

CCIfType<[i32, f32, i16, f16, v2i16, v2f16, i1, bf16, v2bf16], CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31]>>,
CCIfType<[i32, f32, i16, f16, v2i16, v2f16, i1, bf16, v2bf16], CCAssignToReg<
!foreach(i, !range(0, 32), !cast<Register>("VGPR"#i)) // VGPR0-31
>>,
CCIfType<[i32, f32, v2i16, v2f16, i16, f16, i1, bf16, v2bf16], CCAssignToStack<4, 4>>
]>;

// Calling convention for leaf functions
def RetCC_AMDGPU_Func : CallingConv<[
CCIfType<[i1], CCPromoteToType<i32>>,
CCIfType<[i1, i16], CCIfExtend<CCPromoteToType<i32>>>,
CCIfType<[i32, f32, i16, f16, v2i16, v2f16, bf16, v2bf16], CCAssignToReg<[
VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31]>>,
CCIfType<[i32, f32, i16, f16, v2i16, v2f16, bf16, v2bf16], CCAssignToReg<
!foreach(i, !range(0, 32), !cast<Register>("VGPR"#i)) // VGPR0-31
>>,
]>;

def CC_AMDGPU : CallingConv<[
Expand Down
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