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simplify EmitAggMemberInitializer a bit and make it work in 32-bit mode,

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fixing PR7063.

llvm-svn: 103171
This commit is contained in:
Chris Lattner 2010-05-06 06:35:23 +00:00
parent c0255bac1d
commit 44456d294c
2 changed files with 29 additions and 6 deletions
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5
clang/lib/CodeGen/CGClass.cpp
View File

@ -397,10 +397,9 @@ static void EmitAggMemberInitializer(CodeGenFunction &CGF,
// Generate: if (loop-index < number-of-elements) fall to the loop body,
// otherwise, go to the block after the for-loop.
uint64_t NumElements = Array->getSize().getZExtValue();
llvm::Value * NumElementsPtr =
llvm::ConstantInt::get(llvm::Type::getInt64Ty(CGF.getLLVMContext()),
NumElements);
llvm::Value *Counter = CGF.Builder.CreateLoad(IndexVar);
llvm::Value *NumElementsPtr =
llvm::ConstantInt::get(Counter->getType(), NumElements);
llvm::Value *IsLess = CGF.Builder.CreateICmpULT(Counter, NumElementsPtr,
"isless");

30
clang/test/CodeGenCXX/array-value-initialize.cpp
View File

@ -1,4 +1,5 @@
// RUN: %clang_cc1 -emit-llvm -o - %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s
// RUN: %clang_cc1 -triple i386-apple-darwin -emit-llvm -o - %s
// PR5463
extern "C" int printf(...);
@ -21,8 +22,31 @@ struct Foo {
S sbar_[5];
};
int main(void)
{
int test1(void) {
Foo a;
}
// PR7063
struct Unit
{
Unit() {}
Unit(const Unit& v) {}
};
struct Stuff
{
Unit leafPos[1];
};
int main()
{
Stuff a;
Stuff b = a;
return 0;
}