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Add a "colocated" flag to symbol references. (#298)

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This adds a "colocated" flag to function and symbolic global variables which
indicates that they are defined along with the current function, so they can
use PC-relative addressing.

This also changes the function decl syntax; the name now always precedes the
signature, and the "function" keyword is no longer included.
This commit is contained in:
Dan Gohman
2018-04-13 15:00:09 -07:00
committed by GitHub
parent 645fa3e858
commit 0e57f3d0ea
46 changed files with 312 additions and 164 deletions
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6
lib/cretonne/meta/gen_legalizer.py
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@@ -185,9 +185,9 @@ def unwrap_inst(iref, node, fmt):
fmt.line('ref args,')
fmt.line('..')
fmt.outdented_line('} = pos.func.dfg[inst] {')
fmt.line('let dfg = &pos.func.dfg;')
fmt.line('let func = &pos.func;')
if iform.has_value_list:
fmt.line('let args = args.as_slice(&dfg.value_lists);')
fmt.line('let args = args.as_slice(&func.dfg.value_lists);')
elif nvops == 1:
fmt.line('let args = [arg];')
# Generate the values for the tuple.
@@ -198,7 +198,7 @@ def unwrap_inst(iref, node, fmt):
fmt.format('{},', iform.imm_fields[n].member)
elif op.is_value():
n = expr.inst.value_opnums.index(opnum)
fmt.format('dfg.resolve_aliases(args[{}]),', n)
fmt.format('func.dfg.resolve_aliases(args[{}]),', n)
# Evaluate the instruction predicate, if any.
instp = expr.inst_predicate_with_ctrl_typevar()
fmt.line(instp.rust_predicate(0) if instp else 'true')