mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-01 22:02:45 +01:00
Richard Smith
6e9d83e746
Basic support for type-checking and lowering of `while` statements, as well as `break` and `continue`.
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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fn Cond() -> bool;
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fn F();
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fn G();
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fn H();
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fn While() {
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F();
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while (Cond()) {
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G();
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}
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H();
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}
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// CHECK:STDOUT: ; ModuleID = 'while.carbon'
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// CHECK:STDOUT: source_filename = "while.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare i1 @Cond()
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @F()
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @G()
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @H()
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @While() {
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// CHECK:STDOUT: call void @F()
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// CHECK:STDOUT: br label %1
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// CHECK:STDOUT:
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// CHECK:STDOUT: 1: ; preds = %3, %0
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// CHECK:STDOUT: %Cond = call i1 @Cond()
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// CHECK:STDOUT: %temp = alloca i1, align 1
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// CHECK:STDOUT: store i1 %Cond, ptr %temp, align 1
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// CHECK:STDOUT: %2 = load i1, ptr %temp, align 1
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// CHECK:STDOUT: br i1 %2, label %3, label %4
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// CHECK:STDOUT:
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// CHECK:STDOUT: 3: ; preds = %1
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// CHECK:STDOUT: call void @G()
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// CHECK:STDOUT: br label %1
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// CHECK:STDOUT:
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// CHECK:STDOUT: 4: ; preds = %1
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// CHECK:STDOUT: call void @H()
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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