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Test case for my last patch plus a minor clean up.

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llvm-svn: 79500
This commit is contained in:
Fariborz Jahanian 2009-08-20 01:01:06 +00:00
parent d982f001c9
commit dd46eb770f
2 changed files with 47 additions and 4 deletions
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6
clang/lib/CodeGen/CGCXX.cpp
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@ -375,26 +375,24 @@ CodeGenFunction::EmitCXXAggrConstructorCall(const CXXConstructorDecl *D,
llvm::BasicBlock *ContinueBlock = createBasicBlock("for.inc"); llvm::BasicBlock *ContinueBlock = createBasicBlock("for.inc");
// Inside the loop body, emit the constructor call on the array element. // Inside the loop body, emit the constructor call on the array element.
Counter = Builder.CreateLoad(IndexPtr);
if (const ConstantArrayType *CAT = if (const ConstantArrayType *CAT =
dyn_cast<ConstantArrayType>(Array->getElementType())) { dyn_cast<ConstantArrayType>(Array->getElementType())) {
// Need to call this routine again.
uint32_t delta = 1; uint32_t delta = 1;
const ConstantArrayType *CAW = CAT; const ConstantArrayType *CAW = CAT;
do { do {
delta *= CAW->getSize().getZExtValue(); delta *= CAW->getSize().getZExtValue();
CAW = dyn_cast<ConstantArrayType>(CAW->getElementType()); CAW = dyn_cast<ConstantArrayType>(CAW->getElementType());
} while (CAW); } while (CAW);
// Address = This + delta*Counter // Address = This + delta*Counter for current loop iteration.
llvm::Value *DeltaPtr = llvm::Value *DeltaPtr =
llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), delta); llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), delta);
Counter = Builder.CreateLoad(IndexPtr);
DeltaPtr = Builder.CreateMul(Counter, DeltaPtr, "mul"); DeltaPtr = Builder.CreateMul(Counter, DeltaPtr, "mul");
llvm::Value *Address = llvm::Value *Address =
Builder.CreateInBoundsGEP(This, DeltaPtr, "arrayidx"); Builder.CreateInBoundsGEP(This, DeltaPtr, "arrayidx");
EmitCXXAggrConstructorCall(D, CAT, Address); EmitCXXAggrConstructorCall(D, CAT, Address);
} }
else { else {
Counter = Builder.CreateLoad(IndexPtr);
llvm::Value *Address = Builder.CreateInBoundsGEP(This, Counter, "arrayidx"); llvm::Value *Address = Builder.CreateInBoundsGEP(This, Counter, "arrayidx");
EmitCXXConstructorCall(D, Ctor_Complete, Address, 0, 0); EmitCXXConstructorCall(D, Ctor_Complete, Address, 0, 0);
} }

45
clang/test/CodeGenCXX/constructor-for-array-members.cpp Normal file
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@ -0,0 +1,45 @@
// RUN: clang-cc -triple x86_64-apple-darwin -std=c++0x -S %s -o %t-64.s &&
// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s &&
// RUN: clang-cc -triple i386-apple-darwin -std=c++0x -S %s -o %t-32.s &&
// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s &&
// RUN: true
extern "C" int printf(...);
int i = 1234;
float vf = 1.00;
struct S {
S() : iS(i++), f1(vf++) {printf("S::S()\n");}
// ~S(){printf("S::~S()\n"); }
int iS;
float f1;
};
struct M {
double dM;
S ARR_S[3];
void pr() {
for (int i = 0; i < 3; i++)
printf("ARR_S[%d].iS = %d ARR_S[%d].f1 = %f\n", i, ARR_S[i].iS, i, ARR_S[i].f1);
for (int i = 0; i < 2; i++)
for (int j = 0; j < 3; j++)
for (int k = 0; k < 4; k++)
printf("MULTI_ARR[%d][%d][%d].iS = %d MULTI_ARR[%d][%d][%d].f1 = %f\n",
i,j,k, MULTI_ARR[i][j][k].iS, i,j,k, MULTI_ARR[i][j][k].f1);
}
S MULTI_ARR[2][3][4];
};
int main() {
M m1;
m1.pr();
}
// CHECK-LP64: call __ZN1SC1Ev
// CHECK-LP32: call L__ZN1SC1Ev