mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 07:40:11 +01:00
Richard Smith
428d11323a
If the initializing representation is the same as the value representation, don't materialize a temporary and perform a value binding. Instead, directly extract the value, using a new `value_of_initializer` node. This removes a lot of redundant `alloca`s from our generated LLVM IR.
58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
// 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
|
|
|
|
fn A() -> bool;
|
|
fn B() -> bool;
|
|
fn C() -> bool;
|
|
|
|
fn While() {
|
|
while (A()) {
|
|
if (B()) { continue; }
|
|
if (C()) { break; }
|
|
}
|
|
}
|
|
|
|
// CHECK:STDOUT: ; ModuleID = 'break_continue.carbon'
|
|
// CHECK:STDOUT: source_filename = "break_continue.carbon"
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: declare i1 @A()
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: declare i1 @B()
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: declare i1 @C()
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: define void @While() {
|
|
// CHECK:STDOUT: entry:
|
|
// CHECK:STDOUT: br label %0
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 0: ; preds = %entry, %5, %2
|
|
// CHECK:STDOUT: %A = call i1 @A()
|
|
// CHECK:STDOUT: br i1 %A, label %1, label %6
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 1: ; preds = %0
|
|
// CHECK:STDOUT: %B = call i1 @B()
|
|
// CHECK:STDOUT: br i1 %B, label %2, label %3
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 2: ; preds = %1
|
|
// CHECK:STDOUT: br label %0
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 3: ; preds = %1
|
|
// CHECK:STDOUT: %C = call i1 @C()
|
|
// CHECK:STDOUT: br i1 %C, label %4, label %5
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 4: ; preds = %3
|
|
// CHECK:STDOUT: br label %6
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 5: ; preds = %3
|
|
// CHECK:STDOUT: br label %0
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: 6: ; preds = %4, %0
|
|
// CHECK:STDOUT: ret void
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: ; uselistorder directives
|
|
// CHECK:STDOUT: uselistorder label %0, { 1, 2, 0 }
|
|
// CHECK:STDOUT: }
|