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Model type expressions as regions (#4698)

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This is a precondition for enabling the new pattern-matching subsystem
to support binding patterns that have `if` expressions in the type
position.

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
This commit is contained in:
Geoff Romer
2024-12-19 21:41:06 +00:00
committed by GitHub
co-authored by Richard Smith
parent 95c9634c60
commit a112cbde5c
504 changed files with 5699 additions and 8719 deletions
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toolchain/check/testdata/array/generic_empty.carbon
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+7 -10
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@@ -54,20 +54,17 @@ fn G(T:! type) {
// CHECK:STDOUT: %T.patt.loc11_6.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_6.2 (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %array_type.loc13_17.2: type = array_type constants.%int_0, @G.%T.loc11_6.2 (%T) [symbolic = %array_type.loc13_17.2 (constants.%array_type)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type @G.%array_type.loc13_17.2 (%array_type) [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT: %array: @G.%array_type.loc13_17.2 (%array_type) = tuple_value () [symbolic = %array (constants.%array)]
// CHECK:STDOUT: %array_type: type = array_type constants.%int_0, @G.%T.loc11_6.2 (%T) [symbolic = %array_type (constants.%array_type)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type @G.%array_type (%array_type) [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT: %array: @G.%array_type (%array_type) = tuple_value () [symbolic = %array (constants.%array)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%T.param_patt: type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc11_6.1 [symbolic = %T.loc11_6.2 (constants.%T)]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0]
// CHECK:STDOUT: %array_type.loc13_17.1: type = array_type %int_0, %T [symbolic = %array_type.loc13_17.2 (constants.%array_type)]
// CHECK:STDOUT: %arr.var: ref @G.%array_type.loc13_17.2 (%array_type) = var arr
// CHECK:STDOUT: %arr: ref @G.%array_type.loc13_17.2 (%array_type) = bind_name arr, %arr.var
// CHECK:STDOUT: %arr.var: ref @G.%array_type (%array_type) = var arr
// CHECK:STDOUT: %arr: ref @G.%array_type (%array_type) = bind_name arr, %arr.var
// CHECK:STDOUT: %.loc13_22.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_22.2: init @G.%array_type.loc13_17.2 (%array_type) = array_init () to %arr.var [symbolic = %array (constants.%array)]
// CHECK:STDOUT: %.loc13_23: init @G.%array_type.loc13_17.2 (%array_type) = converted %.loc13_22.1, %.loc13_22.2 [symbolic = %array (constants.%array)]
// CHECK:STDOUT: %.loc13_22.2: init @G.%array_type (%array_type) = array_init () to %arr.var [symbolic = %array (constants.%array)]
// CHECK:STDOUT: %.loc13_23: init @G.%array_type (%array_type) = converted %.loc13_22.1, %.loc13_22.2 [symbolic = %array (constants.%array)]
// CHECK:STDOUT: assign %arr.var, %.loc13_23
// CHECK:STDOUT: return
// CHECK:STDOUT: }