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|
# SPDX-License-Identifier: GPL-3.0-or-later
combiner_rules:
-
id: combine_nneg_zext
priority: 500
match:
opcode: G_ZEXT
result_type: { kind: scalar, bits: 64 }
operand_types:
- { index: 1, kind: scalar, bits: 32 }
target_predicates: [sext_cheaper_than_zext]
flags: [nneg]
def_use:
-
operand: 1
opcode: G_TRUNC
captures:
- { id: source, operand: 1 }
- { id: trunc_result, operand: 0 }
apply:
action: mutate_root
opcode: G_SEXT_INREG
operands:
- { operand: 0 }
- { captured_operand: source }
- { captured_type_bits: trunc_result }
clear_flags: [nneg]
erase_operand_definitions: [1]
-
id: combine_shl_zero
priority: 100
match:
opcode: G_SHL
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_lshr_zero
priority: 100
match:
opcode: G_LSHR
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_ashr_zero
priority: 100
match:
opcode: G_ASHR
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_sdiv_zero
priority: 100
match:
opcode: G_SDIV
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_udiv_zero
priority: 100
match:
opcode: G_UDIV
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_srem_zero
priority: 100
match:
opcode: G_SREM
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_urem_zero
priority: 100
match:
opcode: G_UREM
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
-
id: combine_mul_zero
priority: 100
match:
opcode: G_MUL
def_use:
-
operand: 1
opcode: G_CONSTANT
captures:
- { id: zero, operand: 0 }
operand_def_constants:
- index: 1
ranges: [{ min: 0, max: 0 }]
apply:
action: replace_root_with_capture
capture: zero
erase_operand_definitions: [1]
|
