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Support field references to struct names and c++11 aliases from inline asm. 

This is in addition to the existing support for typedefs.

llvm-svn: 208053
This commit is contained in:
Nico Weber 2014-05-06 03:13:27 +00:00
parent bdc4f12f19
commit 9ef9ca470f
2 changed files with 34 additions and 2 deletions
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4
clang/lib/Sema/SemaStmtAsm.cpp
View File

@ -441,8 +441,10 @@ bool Sema::LookupInlineAsmField(StringRef Base, StringRef Member,
NamedDecl *FoundDecl = BaseResult.getFoundDecl();
if (VarDecl *VD = dyn_cast<VarDecl>(FoundDecl))
RT = VD->getType()->getAs<RecordType>();
else if (TypedefDecl *TD = dyn_cast<TypedefDecl>(FoundDecl))
else if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(FoundDecl))
RT = TD->getUnderlyingType()->getAs<RecordType>();
else if (TypeDecl *TD = dyn_cast<TypeDecl>(FoundDecl))
RT = TD->getTypeForDecl()->getAs<RecordType>();
if (!RT)
return true;

32
clang/test/CodeGen/ms-inline-asm.cpp
View File

@ -1,5 +1,5 @@
// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -x c++ %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -x c++ %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - -std=c++11 | FileCheck %s
// rdar://13645930
@ -111,3 +111,33 @@ void test6() {
jmp a
}
}
void t7_struct() {
struct A {
int a;
int b;
};
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z9t7_structv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
void t7_typedef() {
typedef struct {
int a;
int b;
} A;
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z10t7_typedefv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
void t7_using() {
using A = struct {
int a;
int b;
};
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z8t7_usingv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}