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Parse vector bool when stdbool.h and altivec.h are included

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Currently when including stdbool.h and altivec.h declaration of `vector bool` leads to
errors due to `bool` being expanded to '_Bool`. This patch allows the parser
to recognize `_Bool`.

Reviewed By: hubert.reinterpretcast, Everybody0523

Differential Revision: https://reviews.llvm.org/D102064
This commit is contained in:
Zarko Todorovski 2021-05-13 10:44:40 -04:00
parent b1a074951f
commit 8fa168fc50
4 changed files with 38 additions and 5 deletions
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7
clang/include/clang/Parse/Parser.h
View File

@ -118,10 +118,12 @@ class Parser : public CodeCompletionHandler {
/// Ident_super - IdentifierInfo for "super", to support fast
/// comparison.
IdentifierInfo *Ident_super;
/// Ident_vector, Ident_bool - cached IdentifierInfos for "vector" and
/// "bool" fast comparison. Only present if AltiVec or ZVector are enabled.
/// Ident_vector, Ident_bool, Ident_Bool - cached IdentifierInfos for "vector"
/// and "bool" fast comparison. Only present if AltiVec or ZVector are
/// enabled.
IdentifierInfo *Ident_vector;
IdentifierInfo *Ident_bool;
IdentifierInfo *Ident_Bool;
/// Ident_pixel - cached IdentifierInfos for "pixel" fast comparison.
/// Only present if AltiVec enabled.
IdentifierInfo *Ident_pixel;
@ -879,6 +881,7 @@ private:
if (Tok.getIdentifierInfo() != Ident_vector &&
Tok.getIdentifierInfo() != Ident_bool &&
Tok.getIdentifierInfo() != Ident_Bool &&
(!getLangOpts().AltiVec || Tok.getIdentifierInfo() != Ident_pixel))
return false;

11
clang/lib/Parse/ParseDecl.cpp
View File

@ -7334,6 +7334,7 @@ bool Parser::TryAltiVecVectorTokenOutOfLine() {
case tok::kw_float:
case tok::kw_double:
case tok::kw_bool:
case tok::kw__Bool:
case tok::kw___bool:
case tok::kw___pixel:
Tok.setKind(tok::kw___vector);
@ -7343,7 +7344,8 @@ bool Parser::TryAltiVecVectorTokenOutOfLine() {
Tok.setKind(tok::kw___vector);
return true;
}
if (Next.getIdentifierInfo() == Ident_bool) {
if (Next.getIdentifierInfo() == Ident_bool ||
Next.getIdentifierInfo() == Ident_Bool) {
Tok.setKind(tok::kw___vector);
return true;
}
@ -7368,6 +7370,7 @@ bool Parser::TryAltiVecTokenOutOfLine(DeclSpec &DS, SourceLocation Loc,
case tok::kw_float:
case tok::kw_double:
case tok::kw_bool:
case tok::kw__Bool:
case tok::kw___bool:
case tok::kw___pixel:
isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID, Policy);
@ -7377,8 +7380,10 @@ bool Parser::TryAltiVecTokenOutOfLine(DeclSpec &DS, SourceLocation Loc,
isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID,Policy);
return true;
}
if (Next.getIdentifierInfo() == Ident_bool) {
isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID,Policy);
if (Next.getIdentifierInfo() == Ident_bool ||
Next.getIdentifierInfo() == Ident_Bool) {
isInvalid =
DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID, Policy);
return true;
}
break;

2
clang/lib/Parse/Parser.cpp
View File

@ -503,10 +503,12 @@ void Parser::Initialize() {
Ident_vector = nullptr;
Ident_bool = nullptr;
Ident_Bool = nullptr;
Ident_pixel = nullptr;
if (getLangOpts().AltiVec || getLangOpts().ZVector) {
Ident_vector = &PP.getIdentifierTable().get("vector");
Ident_bool = &PP.getIdentifierTable().get("bool");
Ident_Bool = &PP.getIdentifierTable().get("_Bool");
}
if (getLangOpts().AltiVec)
Ident_pixel = &PP.getIdentifierTable().get("pixel");

23
clang/test/Parser/altivec-zvector-bool.c Normal file
View File

@ -0,0 +1,23 @@
// RUN: %clang_cc1 -triple=powerpc64-unknown-linux-gnu \
// RUN: -target-feature +altivec -fsyntax-only %s
// RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu \
// RUN: -target-feature +altivec -fsyntax-only %s
// RUN: %clang_cc1 -triple=powerpc64-ibm-aix-xcoff \
// RUN: -target-feature +altivec -fsyntax-only %s
// RUN: %clang_cc1 -triple=powerpc-ibm-aix-xcoff \
// RUN: -target-feature +altivec -fsyntax-only %s
// RUN: %clang_cc1 -triple=powerpc-unknown-linux-gnu \
// RUN: -target-feature +altivec -fsyntax-only %s
// RUN: %clang_cc1 -triple=s390x-linux-gnu -target-cpu arch11 \
// RUN: -fzvector -fsyntax-only %s
// RUN: %clang_cc1 -triple=s390x-ibm-zos -target-cpu arch11 \
// RUN: -fzvector -fsyntax-only %s
__vector bool char bc;
__vector bool short bsh;
__vector bool short int bshi;
__vector bool int bi;
__vector _Bool char bc;
__vector _Bool short bsh;
__vector _Bool short int bshi;
__vector _Bool int bi;