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Add builtins for some basic integer operations. (#3816)

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Supports unary `-`, and binary `+`, `-`, `*`, `/`, `%`, `==`, `!=`.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
This commit is contained in:
Richard Smith
2024-03-27 00:15:52 +00:00
committed by GitHub
co-authored by Jon Ross-Perkins
parent a3d77d9b74
commit ebbc648342
15 changed files with 1607 additions and 48 deletions
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toolchain/check/testdata/array/fail_bound_negative.carbon
Vendored
+18 -8
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@@ -4,27 +4,37 @@
//
// AUTOUPDATE
// TODO: Once we supoprt negating integer literals, check that we reject a
// negative array bound.
fn Negate(n: i32) -> i32 = "int.negate";
// CHECK:STDERR: fail_bound_negative.carbon:[[@LINE+3]]:14: ERROR: Semantics TODO: `missing or invalid operator interface`.
// CHECK:STDERR: var a: [i32; -1];
// CHECK:STDERR: ^~
var a: [i32; -1];
// CHECK:STDERR: fail_bound_negative.carbon:[[@LINE+3]]:14: ERROR: Array bound of -1 is negative.
// CHECK:STDERR: var a: [i32; Negate(1)];
// CHECK:STDERR: ^~~~~~~
var a: [i32; Negate(1)];
// CHECK:STDOUT: --- fail_bound_negative.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.2: i32 = int_literal 4294967295 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Negate = %Negate
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc13_15: i32 = int_literal 1 [template = constants.%.1]
// CHECK:STDOUT: %.loc13_16: type = array_type <error>, i32 [template = <error>]
// CHECK:STDOUT: %Negate: <function> = fn_decl @Negate [template] {
// CHECK:STDOUT: %n.loc7_11.1: i32 = param n
// CHECK:STDOUT: @Negate.%n: i32 = bind_name n, %n.loc7_11.1
// CHECK:STDOUT: %return.var: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Negate.ref: <function> = name_ref Negate, %Negate [template = %Negate]
// CHECK:STDOUT: %.loc12_21: i32 = int_literal 1 [template = constants.%.1]
// CHECK:STDOUT: %.loc12_20: init i32 = call %Negate.ref(%.loc12_21) [template = constants.%.2]
// CHECK:STDOUT: %.loc12_23: type = array_type %.loc12_20, i32 [template = <error>]
// CHECK:STDOUT: %a.var: ref <error> = var a
// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Negate(%n: i32) -> i32 = "int.negate";
// CHECK:STDOUT: