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https://github.com/carbon-language/carbon-lang.git
synced 2026-10-02 22:02:51 +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.
38 lines
1.1 KiB
Plaintext
38 lines
1.1 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 F() -> bool { return true; }
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fn G() -> bool { return true; }
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fn Or() -> bool {
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return F() or G();
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}
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// CHECK:STDOUT: ; ModuleID = 'or.carbon'
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// CHECK:STDOUT: source_filename = "or.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i1 @F() {
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// CHECK:STDOUT: ret i1 true
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i1 @G() {
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// CHECK:STDOUT: ret i1 true
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i1 @Or() {
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// CHECK:STDOUT: %F = call i1 @F()
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// CHECK:STDOUT: %1 = xor i1 %F, true
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// CHECK:STDOUT: br i1 %1, label %2, label %3
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// CHECK:STDOUT:
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// CHECK:STDOUT: 2: ; preds = %0
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// CHECK:STDOUT: %G = call i1 @G()
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// CHECK:STDOUT: br label %3
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// CHECK:STDOUT:
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// CHECK:STDOUT: 3: ; preds = %2, %0
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// CHECK:STDOUT: %4 = phi i1 [ true, %0 ], [ %G, %2 ]
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// CHECK:STDOUT: ret i1 %4
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// CHECK:STDOUT: }
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