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Model the return slot as an output parameter (#4432)

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Also fix `Param` insts to have meaningful names in pretty-printing, to
help clarify relationship with return slot.
This commit is contained in:
Geoff Romer
2024-10-23 16:53:34 +00:00
committed by GitHub
parent 5038218cea
commit 9266f867f9
463 changed files with 7401 additions and 4939 deletions
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toolchain/check/testdata/array/function_param.carbon
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+15 -8
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@@ -48,7 +48,7 @@ fn G() -> i32 {
// CHECK:STDOUT: import Core//prelude/operators/comparison
// CHECK:STDOUT: import Core//prelude/types/bool
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: %Int32.type = import_ref Core//prelude/types, inst+9, loaded [template = constants.%Int32]
// CHECK:STDOUT: %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
@@ -63,6 +63,8 @@ fn G() -> i32 {
// CHECK:STDOUT: %arr.param_patt: %.3 = param_pattern %arr.patt, runtime_param0
// CHECK:STDOUT: %i.patt: i32 = binding_pattern i
// CHECK:STDOUT: %i.param_patt: i32 = param_pattern %i.patt, runtime_param1
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = param_pattern %return.patt, runtime_param2
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32.loc11_12: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc11_17: i32 = int_literal 3 [template = constants.%.2]
@@ -75,17 +77,22 @@ fn G() -> i32 {
// CHECK:STDOUT: %int.make_type_32.loc11_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc11_32.1: type = value_of_initializer %int.make_type_32.loc11_32 [template = i32]
// CHECK:STDOUT: %.loc11_32.2: type = converted %int.make_type_32.loc11_32, %.loc11_32.1 [template = i32]
// CHECK:STDOUT: %return: ref i32 = var <return slot>
// CHECK:STDOUT: %param.loc11_9: %.3 = param runtime_param0
// CHECK:STDOUT: %arr: %.3 = bind_name arr, %param.loc11_9
// CHECK:STDOUT: %param.loc11_22: i32 = param runtime_param1
// CHECK:STDOUT: %i: i32 = bind_name i, %param.loc11_22
// CHECK:STDOUT: %arr.param: %.3 = param runtime_param0
// CHECK:STDOUT: %arr: %.3 = bind_name arr, %arr.param
// CHECK:STDOUT: %i.param: i32 = param runtime_param1
// CHECK:STDOUT: %i: i32 = bind_name i, %i.param
// CHECK:STDOUT: %return.param: i32 = param runtime_param2
// CHECK:STDOUT: %return: ref i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {} {
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc15_11.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc15_11.2: type = converted %int.make_type_32, %.loc15_11.1 [template = i32]
// CHECK:STDOUT: %return: ref i32 = var <return slot>
// CHECK:STDOUT: %return.param: i32 = param runtime_param0
// CHECK:STDOUT: %return: ref i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT: