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carbon-lang/toolchain/check/testdata/builtins/float/div.carbon
T
Pablo Paglilla cae62765af Add builtins for basic float operations (#3897) 
Adds support for unary `-` and binary `+`, `-`, `*`, `/` for floating
point types.

Real literals are now transformed to `llvm::APFloat`s during the check
phase into the `FloatLiteral` instruction.

This PR likely collides a bit with #3892 and might need to be updated
when that one is merged.
2024-04-19 22:50:54 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// --- float_div.carbon
fn Div(a: f64, b: f64) -> f64 = "float.div";
fn RuntimeCall(a: f64, b: f64) -> f64 {
return Div(a, b);
}
var a: f64 = Div(10.0, 2.5);
let b: f64 = Div(1.0, 0.0);
let c: f64 = Div(0.0, 0.0);
// --- fail_bad_decl.carbon
package FailBadDecl api;
// CHECK:STDERR: fail_bad_decl.carbon:[[@LINE+4]]:1: ERROR: Invalid signature for builtin function "float.div".
// CHECK:STDERR: fn TooFew(a: f64) -> f64 = "float.div";
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
fn TooFew(a: f64) -> f64 = "float.div";
// CHECK:STDERR: fail_bad_decl.carbon:[[@LINE+4]]:1: ERROR: Invalid signature for builtin function "float.div".
// CHECK:STDERR: fn TooMany(a: f64, b: f64, c: f64) -> f64 = "float.div";
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
fn TooMany(a: f64, b: f64, c: f64) -> f64 = "float.div";
// CHECK:STDERR: fail_bad_decl.carbon:[[@LINE+3]]:1: ERROR: Invalid signature for builtin function "float.div".
// CHECK:STDERR: fn BadReturnType(a: f64, b: f64) -> bool = "float.div";
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fn BadReturnType(a: f64, b: f64) -> bool = "float.div";
fn JustRight(a: f64, b: f64) -> f64 = "float.div";
fn RuntimeCallTooFew(a: f64) -> f64 {
return TooFew(a);
}
fn RuntimeCallTooMany(a: f64, b: f64, c: f64) -> f64 {
return TooMany(a, b, c);
}
fn RuntimeCallBadReturnType(a: f64, b: f64) -> bool {
return BadReturnType(a, b);
}
// CHECK:STDOUT: --- float_div.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: f64 = float_literal 10 [template]
// CHECK:STDOUT: %.2: f64 = float_literal 2.5 [template]
// CHECK:STDOUT: %.3: f64 = float_literal 4 [template]
// CHECK:STDOUT: %.4: f64 = float_literal 1 [template]
// CHECK:STDOUT: %.5: f64 = float_literal 0 [template]
// CHECK:STDOUT: %.6: f64 = float_literal +Inf [template]
// CHECK:STDOUT: %.7: f64 = float_literal 0 [template]
// CHECK:STDOUT: %.8: f64 = float_literal 0 [template]
// CHECK:STDOUT: %.9: f64 = float_literal NaN [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .Div = %Div
// CHECK:STDOUT: .RuntimeCall = %RuntimeCall
// CHECK:STDOUT: .a = %a.loc8
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %Div: <function> = fn_decl @Div [template] {
// CHECK:STDOUT: %a.loc2_8.1: f64 = param a
// CHECK:STDOUT: @Div.%a: f64 = bind_name a, %a.loc2_8.1
// CHECK:STDOUT: %b.loc2_16.1: f64 = param b
// CHECK:STDOUT: @Div.%b: f64 = bind_name b, %b.loc2_16.1
// CHECK:STDOUT: @Div.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %RuntimeCall: <function> = fn_decl @RuntimeCall [template] {
// CHECK:STDOUT: %a.loc4_16.1: f64 = param a
// CHECK:STDOUT: @RuntimeCall.%a: f64 = bind_name a, %a.loc4_16.1
// CHECK:STDOUT: %b.loc4_24.1: f64 = param b
// CHECK:STDOUT: @RuntimeCall.%b: f64 = bind_name b, %b.loc4_24.1
// CHECK:STDOUT: @RuntimeCall.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref f64 = var a
// CHECK:STDOUT: %a.loc8: ref f64 = bind_name a, %a.var
// CHECK:STDOUT: %Div.ref.loc9: <function> = name_ref Div, %Div [template = %Div]
// CHECK:STDOUT: %.loc9_18: f64 = float_literal 1 [template = constants.%.4]
// CHECK:STDOUT: %.loc9_23: f64 = float_literal 0 [template = constants.%.5]
// CHECK:STDOUT: %float.div.loc9: init f64 = call %Div.ref.loc9(%.loc9_18, %.loc9_23) [template = constants.%.6]
// CHECK:STDOUT: %.loc9_27.1: f64 = value_of_initializer %float.div.loc9 [template = constants.%.6]
// CHECK:STDOUT: %.loc9_27.2: f64 = converted %float.div.loc9, %.loc9_27.1 [template = constants.%.6]
// CHECK:STDOUT: %b.loc9: f64 = bind_name b, %.loc9_27.2
// CHECK:STDOUT: %Div.ref.loc10: <function> = name_ref Div, %Div [template = %Div]
// CHECK:STDOUT: %.loc10_18: f64 = float_literal 0 [template = constants.%.7]
// CHECK:STDOUT: %.loc10_23: f64 = float_literal 0 [template = constants.%.8]
// CHECK:STDOUT: %float.div.loc10: init f64 = call %Div.ref.loc10(%.loc10_18, %.loc10_23) [template = constants.%.9]
// CHECK:STDOUT: %.loc10_27.1: f64 = value_of_initializer %float.div.loc10 [template = constants.%.9]
// CHECK:STDOUT: %.loc10_27.2: f64 = converted %float.div.loc10, %.loc10_27.1 [template = constants.%.9]
// CHECK:STDOUT: %c: f64 = bind_name c, %.loc10_27.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Div(%a: f64, %b: f64) -> f64 = "float.div";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @RuntimeCall(%a: f64, %b: f64) -> f64 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Div.ref: <function> = name_ref Div, file.%Div [template = file.%Div]
// CHECK:STDOUT: %a.ref: f64 = name_ref a, %a
// CHECK:STDOUT: %b.ref: f64 = name_ref b, %b
// CHECK:STDOUT: %float.div: init f64 = call %Div.ref(%a.ref, %b.ref)
// CHECK:STDOUT: %.loc5_19.1: f64 = value_of_initializer %float.div
// CHECK:STDOUT: %.loc5_19.2: f64 = converted %float.div, %.loc5_19.1
// CHECK:STDOUT: return %.loc5_19.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Div.ref: <function> = name_ref Div, file.%Div [template = file.%Div]
// CHECK:STDOUT: %.loc8_18: f64 = float_literal 10 [template = constants.%.1]
// CHECK:STDOUT: %.loc8_24: f64 = float_literal 2.5 [template = constants.%.2]
// CHECK:STDOUT: %float.div: init f64 = call %Div.ref(%.loc8_18, %.loc8_24) [template = constants.%.3]
// CHECK:STDOUT: assign file.%a.var, %float.div
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_bad_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .TooFew = %TooFew
// CHECK:STDOUT: .TooMany = %TooMany
// CHECK:STDOUT: .BadReturnType = %BadReturnType
// CHECK:STDOUT: .JustRight = %JustRight
// CHECK:STDOUT: .RuntimeCallTooFew = %RuntimeCallTooFew
// CHECK:STDOUT: .RuntimeCallTooMany = %RuntimeCallTooMany
// CHECK:STDOUT: .RuntimeCallBadReturnType = %RuntimeCallBadReturnType
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %TooFew: <function> = fn_decl @TooFew [template] {
// CHECK:STDOUT: %a.loc8_11.1: f64 = param a
// CHECK:STDOUT: @TooFew.%a: f64 = bind_name a, %a.loc8_11.1
// CHECK:STDOUT: @TooFew.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %TooMany: <function> = fn_decl @TooMany [template] {
// CHECK:STDOUT: %a.loc13_12.1: f64 = param a
// CHECK:STDOUT: @TooMany.%a: f64 = bind_name a, %a.loc13_12.1
// CHECK:STDOUT: %b.loc13_20.1: f64 = param b
// CHECK:STDOUT: @TooMany.%b: f64 = bind_name b, %b.loc13_20.1
// CHECK:STDOUT: %c.loc13_28.1: f64 = param c
// CHECK:STDOUT: @TooMany.%c: f64 = bind_name c, %c.loc13_28.1
// CHECK:STDOUT: @TooMany.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %BadReturnType: <function> = fn_decl @BadReturnType [template] {
// CHECK:STDOUT: %a.loc17_18.1: f64 = param a
// CHECK:STDOUT: @BadReturnType.%a: f64 = bind_name a, %a.loc17_18.1
// CHECK:STDOUT: %b.loc17_26.1: f64 = param b
// CHECK:STDOUT: @BadReturnType.%b: f64 = bind_name b, %b.loc17_26.1
// CHECK:STDOUT: @BadReturnType.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %JustRight: <function> = fn_decl @JustRight [template] {
// CHECK:STDOUT: %a.loc18_14.1: f64 = param a
// CHECK:STDOUT: @JustRight.%a: f64 = bind_name a, %a.loc18_14.1
// CHECK:STDOUT: %b.loc18_22.1: f64 = param b
// CHECK:STDOUT: @JustRight.%b: f64 = bind_name b, %b.loc18_22.1
// CHECK:STDOUT: @JustRight.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %RuntimeCallTooFew: <function> = fn_decl @RuntimeCallTooFew [template] {
// CHECK:STDOUT: %a.loc20_22.1: f64 = param a
// CHECK:STDOUT: @RuntimeCallTooFew.%a: f64 = bind_name a, %a.loc20_22.1
// CHECK:STDOUT: @RuntimeCallTooFew.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %RuntimeCallTooMany: <function> = fn_decl @RuntimeCallTooMany [template] {
// CHECK:STDOUT: %a.loc24_23.1: f64 = param a
// CHECK:STDOUT: @RuntimeCallTooMany.%a: f64 = bind_name a, %a.loc24_23.1
// CHECK:STDOUT: %b.loc24_31.1: f64 = param b
// CHECK:STDOUT: @RuntimeCallTooMany.%b: f64 = bind_name b, %b.loc24_31.1
// CHECK:STDOUT: %c.loc24_39.1: f64 = param c
// CHECK:STDOUT: @RuntimeCallTooMany.%c: f64 = bind_name c, %c.loc24_39.1
// CHECK:STDOUT: @RuntimeCallTooMany.%return: ref f64 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %RuntimeCallBadReturnType: <function> = fn_decl @RuntimeCallBadReturnType [template] {
// CHECK:STDOUT: %a.loc28_29.1: f64 = param a
// CHECK:STDOUT: @RuntimeCallBadReturnType.%a: f64 = bind_name a, %a.loc28_29.1
// CHECK:STDOUT: %b.loc28_37.1: f64 = param b
// CHECK:STDOUT: @RuntimeCallBadReturnType.%b: f64 = bind_name b, %b.loc28_37.1
// CHECK:STDOUT: @RuntimeCallBadReturnType.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TooFew(%a: f64) -> f64;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TooMany(%a: f64, %b: f64, %c: f64) -> f64;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @BadReturnType(%a: f64, %b: f64) -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @JustRight(%a: f64, %b: f64) -> f64 = "float.div";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @RuntimeCallTooFew(%a: f64) -> f64 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %TooFew.ref: <function> = name_ref TooFew, file.%TooFew [template = file.%TooFew]
// CHECK:STDOUT: %a.ref: f64 = name_ref a, %a
// CHECK:STDOUT: %TooFew.call: init f64 = call %TooFew.ref(%a.ref)
// CHECK:STDOUT: %.loc21_19.1: f64 = value_of_initializer %TooFew.call
// CHECK:STDOUT: %.loc21_19.2: f64 = converted %TooFew.call, %.loc21_19.1
// CHECK:STDOUT: return %.loc21_19.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @RuntimeCallTooMany(%a: f64, %b: f64, %c: f64) -> f64 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %TooMany.ref: <function> = name_ref TooMany, file.%TooMany [template = file.%TooMany]
// CHECK:STDOUT: %a.ref: f64 = name_ref a, %a
// CHECK:STDOUT: %b.ref: f64 = name_ref b, %b
// CHECK:STDOUT: %c.ref: f64 = name_ref c, %c
// CHECK:STDOUT: %TooMany.call: init f64 = call %TooMany.ref(%a.ref, %b.ref, %c.ref)
// CHECK:STDOUT: %.loc25_26.1: f64 = value_of_initializer %TooMany.call
// CHECK:STDOUT: %.loc25_26.2: f64 = converted %TooMany.call, %.loc25_26.1
// CHECK:STDOUT: return %.loc25_26.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @RuntimeCallBadReturnType(%a: f64, %b: f64) -> bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %BadReturnType.ref: <function> = name_ref BadReturnType, file.%BadReturnType [template = file.%BadReturnType]
// CHECK:STDOUT: %a.ref: f64 = name_ref a, %a
// CHECK:STDOUT: %b.ref: f64 = name_ref b, %b
// CHECK:STDOUT: %BadReturnType.call: init bool = call %BadReturnType.ref(%a.ref, %b.ref)
// CHECK:STDOUT: %.loc29_29.1: bool = value_of_initializer %BadReturnType.call
// CHECK:STDOUT: %.loc29_29.2: bool = converted %BadReturnType.call, %.loc29_29.1
// CHECK:STDOUT: return %.loc29_29.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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