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Serialize DoesNotEscape.

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I forgot to commit this in r326530.

llvm-svn: 338656
This commit is contained in:
Akira Hatanaka 2018-08-01 23:51:53 +00:00
parent 8e422b8403
commit db49a1f78a
4 changed files with 32 additions and 0 deletions
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1
clang/lib/Serialization/ASTReaderDecl.cpp
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@ -1472,6 +1472,7 @@ void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
BD->setIsVariadic(Record.readInt());
BD->setBlockMissingReturnType(Record.readInt());
BD->setIsConversionFromLambda(Record.readInt());
BD->setDoesNotEscape(Record.readInt());
bool capturesCXXThis = Record.readInt();
unsigned numCaptures = Record.readInt();

1
clang/lib/Serialization/ASTWriterDecl.cpp
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@ -1097,6 +1097,7 @@ void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) {
Record.push_back(D->isVariadic());
Record.push_back(D->blockMissingReturnType());
Record.push_back(D->isConversionFromLambda());
Record.push_back(D->doesNotEscape());
Record.push_back(D->capturesCXXThis());
Record.push_back(D->getNumCaptures());
for (const auto &capture : D->captures()) {

14
clang/test/PCH/no-escaping-block-tail-calls.cpp Normal file
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@ -0,0 +1,14 @@
// RUN: %clang_cc1 -x c++-header -emit-pch -O1 -fblocks -fno-escaping-block-tail-calls -o %t %S/no-escaping-block-tail-calls.h
// RUN: %clang_cc1 -include-pch %t -emit-llvm -O1 -fblocks -fno-escaping-block-tail-calls -o - %s | FileCheck %s
// Check that -fno-escaping-block-tail-calls doesn't disable tail-call
// optimization if the block is non-escaping.
// CHECK-LABEL: define internal i32 @___ZN1S1mEv_block_invoke(
// CHECK: %[[CALL:.*]] = tail call i32 @_ZN1S3fooER2S0(
// CHECK-NEXT: ret i32 %[[CALL]]
void test() {
S s;
s.m();
}

16
clang/test/PCH/no-escaping-block-tail-calls.h Normal file
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@ -0,0 +1,16 @@
typedef int (^BlockTy)(void);
struct S0 {
int a;
};
struct S {
int i;
void func(BlockTy __attribute__((noescape)));
int foo(S0 &);
void m() {
__block S0 x;
func(^{ return foo(x); });
}
};