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It is faster to directly call the ObjC runtime for methods such as alloc/allocWithZone instead of sending a message to those functions. This patch adds support for converting messages to alloc/allocWithZone to their equivalent runtime calls. Tests included for the positive case of applying this transformation, negative tests that we ensure we only convert "alloc" to objc_alloc, not "alloc2", and also a driver test to ensure we enable this only for supported runtime versions. Reviewed By: rjmccall https://reviews.llvm.org/D55349 llvm-svn: 348687
8 lines
650 B
Matlab
8 lines
650 B
Matlab
// RUN: %clang %s -### -o %t.o 2>&1 -fsyntax-only -fobjc-convert-messages-to-runtime-calls -fno-objc-convert-messages-to-runtime-calls -target x86_64-apple-macosx10.10.0 | FileCheck %s --check-prefix=DISABLE
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// RUN: %clang %s -### -o %t.o 2>&1 -fsyntax-only -fno-objc-convert-messages-to-runtime-calls -fobjc-convert-messages-to-runtime-calls -target x86_64-apple-macosx10.10.0 | FileCheck %s --check-prefix=ENABLE
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// Check that we pass fobjc-convert-messages-to-runtime-calls only when supported, and not explicitly disabled.
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// DISABLE: "-fno-objc-convert-messages-to-runtime-calls"
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// ENABLE-NOT: "-fno-objc-convert-messages-to-runtime-calls"
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