ABataev created this revision.
ABataev added a reviewer: rnk.
ABataev added a subscriber: cfe-commits.
Removes extra codegen for base expression of MS property call
http://reviews.llvm.org/D13375
Files:
lib/Sema/SemaPseudoObject.cpp
test/CodeGenCXX/ms-property.cpp
Index: lib/Sema/SemaPseudoObject.cpp
===
--- lib/Sema/SemaPseudoObject.cpp
+++ lib/Sema/SemaPseudoObject.cpp
@@ -328,11 +328,12 @@
class MSPropertyOpBuilder : public PseudoOpBuilder {
MSPropertyRefExpr *RefExpr;
+ OpaqueValueExpr *InstanceBase;
public:
MSPropertyOpBuilder(Sema , MSPropertyRefExpr *refExpr) :
PseudoOpBuilder(S, refExpr->getSourceRange().getBegin()),
- RefExpr(refExpr) {}
+ RefExpr(refExpr), InstanceBase(nullptr) {}
Expr *rebuildAndCaptureObject(Expr *) override;
ExprResult buildGet() override;
@@ -1400,10 +1401,10 @@
//===--===//
Expr *MSPropertyOpBuilder::rebuildAndCaptureObject(Expr *syntacticBase) {
- Expr *NewBase = capture(RefExpr->getBaseExpr());
+ InstanceBase = capture(RefExpr->getBaseExpr());
syntacticBase =
-MSPropertyRefRebuilder(S, NewBase).rebuild(syntacticBase);
+MSPropertyRefRebuilder(S, InstanceBase).rebuild(syntacticBase);
return syntacticBase;
}
@@ -1420,10 +1421,10 @@
GetterName.setIdentifier(II, RefExpr->getMemberLoc());
CXXScopeSpec SS;
SS.Adopt(RefExpr->getQualifierLoc());
- ExprResult GetterExpr = S.ActOnMemberAccessExpr(
-S.getCurScope(), RefExpr->getBaseExpr(), SourceLocation(),
-RefExpr->isArrow() ? tok::arrow : tok::period, SS, SourceLocation(),
-GetterName, nullptr);
+ ExprResult GetterExpr =
+ S.ActOnMemberAccessExpr(S.getCurScope(), InstanceBase, SourceLocation(),
+ RefExpr->isArrow() ? tok::arrow : tok::period,
SS,
+ SourceLocation(), GetterName, nullptr);
if (GetterExpr.isInvalid()) {
S.Diag(RefExpr->getMemberLoc(),
diag::error_cannot_find_suitable_accessor) << 0 /* getter */
@@ -1450,10 +1451,10 @@
SetterName.setIdentifier(II, RefExpr->getMemberLoc());
CXXScopeSpec SS;
SS.Adopt(RefExpr->getQualifierLoc());
- ExprResult SetterExpr = S.ActOnMemberAccessExpr(
-S.getCurScope(), RefExpr->getBaseExpr(), SourceLocation(),
-RefExpr->isArrow() ? tok::arrow : tok::period, SS, SourceLocation(),
-SetterName, nullptr);
+ ExprResult SetterExpr =
+ S.ActOnMemberAccessExpr(S.getCurScope(), InstanceBase, SourceLocation(),
+ RefExpr->isArrow() ? tok::arrow : tok::period,
SS,
+ SourceLocation(), SetterName, nullptr);
if (SetterExpr.isInvalid()) {
S.Diag(RefExpr->getMemberLoc(),
diag::error_cannot_find_suitable_accessor) << 1 /* setter */
Index: test/CodeGenCXX/ms-property.cpp
===
--- test/CodeGenCXX/ms-property.cpp
+++ test/CodeGenCXX/ms-property.cpp
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -emit-llvm -triple=x86_64-pc-win32 -fms-compatibility %s -o
- | FileCheck %s
+
+class Test1 {
+private:
+ int x_;
+
+public:
+ Test1(int x) : x_(x) {}
+ __declspec(property(get = get_x)) int X;
+ int get_x() const { return x_; }
+ static Test1 *GetTest1() { return new Test1(10); }
+};
+
+// CHECK-LABEL: main
+int main(int argc, char **argv) {
+ // CHECK: [[CALL:%.+]] = call %class.Test1*
@"\01?GetTest1@Test1@@SAPEAV1@XZ"()
+ // CHECK-NEXT: call i32 @"\01?get_x@Test1@@QEBAHXZ"(%class.Test1* [[CALL]])
+ return Test1::GetTest1()->X;
+}
Index: lib/Sema/SemaPseudoObject.cpp
===
--- lib/Sema/SemaPseudoObject.cpp
+++ lib/Sema/SemaPseudoObject.cpp
@@ -328,11 +328,12 @@
class MSPropertyOpBuilder : public PseudoOpBuilder {
MSPropertyRefExpr *RefExpr;
+ OpaqueValueExpr *InstanceBase;
public:
MSPropertyOpBuilder(Sema , MSPropertyRefExpr *refExpr) :
PseudoOpBuilder(S, refExpr->getSourceRange().getBegin()),
- RefExpr(refExpr) {}
+ RefExpr(refExpr), InstanceBase(nullptr) {}
Expr *rebuildAndCaptureObject(Expr *) override;
ExprResult buildGet() override;
@@ -1400,10 +1401,10 @@
//===--===//
Expr *MSPropertyOpBuilder::rebuildAndCaptureObject(Expr *syntacticBase) {
- Expr *NewBase = capture(RefExpr->getBaseExpr());
+ InstanceBase = capture(RefExpr->getBaseExpr());
syntacticBase =
-MSPropertyRefRebuilder(S, NewBase).rebuild(syntacticBase);
+MSPropertyRefRebuilder(S, InstanceBase).rebuild(syntacticBase);
return syntacticBase;
}
@@ -1420,10 +1421,10 @@
GetterName.setIdentifier(II, RefExpr->getMemberLoc());
CXXScopeSpec SS;
SS.Adopt(RefExpr->getQualifierLoc());
- ExprResult GetterExpr = S.ActOnMemberAccessExpr(
-S.getCurScope(), RefExpr->getBaseExpr(),