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Unify initialization and conversion logic (#3255)

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Combine the initialization, implicit conversion, and value category
conversion functions into a single function.

This substantially reduces the duplication between these steps, and
ensures that we support the same set of conversions in all these
contexts. This also fixes some issues where we would not use the proper
value representation for tuples and structs after performing implicit
conversions.
This commit is contained in:
Richard Smith
2023-10-02 21:53:52 +00:00
committed by GitHub
parent 7899154a21
commit fea6cf88fc
74 changed files with 1646 additions and 1074 deletions
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toolchain/check/testdata/pointer/address_of_lvalue.carbon
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+14 -14
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@@ -26,13 +26,13 @@ fn F() {
// CHECK:STDOUT: %s: ref {.a: i32, .b: i32} = var "s"
// CHECK:STDOUT: %.loc8_37: i32 = int_literal 1
// CHECK:STDOUT: %.loc8_45: i32 = int_literal 2
// CHECK:STDOUT: %.loc8_46: {.a: i32, .b: i32} = struct_literal (%.loc8_37, %.loc8_45)
// CHECK:STDOUT: %.loc8_47.1: ref i32 = struct_access %s, member0
// CHECK:STDOUT: %.loc8_47.2: init i32 = initialize_from %.loc8_37 to %.loc8_47.1
// CHECK:STDOUT: %.loc8_47.3: ref i32 = struct_access %s, member1
// CHECK:STDOUT: %.loc8_47.4: init i32 = initialize_from %.loc8_45 to %.loc8_47.3
// CHECK:STDOUT: %.loc8_47.5: init {.a: i32, .b: i32} = struct_init %.loc8_46, (%.loc8_47.2, %.loc8_47.4)
// CHECK:STDOUT: assign %s, %.loc8_47.5
// CHECK:STDOUT: %.loc8_46.1: {.a: i32, .b: i32} = struct_literal (%.loc8_37, %.loc8_45)
// CHECK:STDOUT: %.loc8_46.2: ref i32 = struct_access %s, member0
// CHECK:STDOUT: %.loc8_46.3: init i32 = initialize_from %.loc8_37 to %.loc8_46.2
// CHECK:STDOUT: %.loc8_46.4: ref i32 = struct_access %s, member1
// CHECK:STDOUT: %.loc8_46.5: init i32 = initialize_from %.loc8_45 to %.loc8_46.4
// CHECK:STDOUT: %.loc8_46.6: init {.a: i32, .b: i32} = struct_init %.loc8_46.1, (%.loc8_46.3, %.loc8_46.5)
// CHECK:STDOUT: assign %s, %.loc8_46.6
// CHECK:STDOUT: %.loc10_27: type = struct_type {.a: i32, .b: i32}
// CHECK:STDOUT: %.loc10_28: type = ptr_type {.a: i32, .b: i32}
// CHECK:STDOUT: %p: ref {.a: i32, .b: i32}* = var "p"
@@ -54,13 +54,13 @@ fn F() {
// CHECK:STDOUT: %t: ref (i32, i32) = var "t"
// CHECK:STDOUT: %.loc14_24: i32 = int_literal 1
// CHECK:STDOUT: %.loc14_27: i32 = int_literal 2
// CHECK:STDOUT: %.loc14_28: (i32, i32) = tuple_literal (%.loc14_24, %.loc14_27)
// CHECK:STDOUT: %.loc14_29.1: ref i32 = tuple_access %t, member0
// CHECK:STDOUT: %.loc14_29.2: init i32 = initialize_from %.loc14_24 to %.loc14_29.1
// CHECK:STDOUT: %.loc14_29.3: ref i32 = tuple_access %t, member1
// CHECK:STDOUT: %.loc14_29.4: init i32 = initialize_from %.loc14_27 to %.loc14_29.3
// CHECK:STDOUT: %.loc14_29.5: init (i32, i32) = tuple_init %.loc14_28, (%.loc14_29.2, %.loc14_29.4)
// CHECK:STDOUT: assign %t, %.loc14_29.5
// CHECK:STDOUT: %.loc14_28.1: (i32, i32) = tuple_literal (%.loc14_24, %.loc14_27)
// CHECK:STDOUT: %.loc14_28.2: ref i32 = tuple_access %t, member0
// CHECK:STDOUT: %.loc14_28.3: init i32 = initialize_from %.loc14_24 to %.loc14_28.2
// CHECK:STDOUT: %.loc14_28.4: ref i32 = tuple_access %t, member1
// CHECK:STDOUT: %.loc14_28.5: init i32 = initialize_from %.loc14_27 to %.loc14_28.4
// CHECK:STDOUT: %.loc14_28.6: init (i32, i32) = tuple_init %.loc14_28.1, (%.loc14_28.3, %.loc14_28.5)
// CHECK:STDOUT: assign %t, %.loc14_28.6
// CHECK:STDOUT: %.loc15_14: type = ptr_type i32
// CHECK:STDOUT: %t0: ref i32* = var "t0"
// CHECK:STDOUT: %.loc15_21: i32 = int_literal 0