diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2009-01-28 22:24:07 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2009-01-28 22:24:07 +0000 |
| commit | a5fd07bbc5e4bae542c06643da3fbfe4967a9379 (patch) | |
| tree | 46ef73a108cb6ca81720ea6b74297e272e29261b /lib/CodeGen/CGExprConstant.cpp | |
| parent | 5de14dc87966ab98730cfacffe0b7d3198a91a62 (diff) | |
Implement basic _Complex integer constant folding.
- Merged into single ComplexEvaluator, these share too much logic to
be worth splitting for float/int (IMHO). Will split on request.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63248 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprConstant.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprConstant.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp index 3b6ebb4d56..87868ed347 100644 --- a/lib/CodeGen/CGExprConstant.cpp +++ b/lib/CodeGen/CGExprConstant.cpp @@ -597,7 +597,9 @@ llvm::Constant *CodeGenModule::EmitConstantExpr(const Expr *E, assert(!Result.HasSideEffects && "Constant expr should not have any side effects!"); switch (Result.Val.getKind()) { - default: assert(0 && "unhandled value kind!"); + case APValue::Uninitialized: + assert(0 && "Constant expressions should be uninitialized."); + return llvm::UndefValue::get(getTypes().ConvertType(type)); case APValue::LValue: { llvm::Constant *Offset = llvm::ConstantInt::get(llvm::Type::Int64Ty, @@ -631,6 +633,14 @@ llvm::Constant *CodeGenModule::EmitConstantExpr(const Expr *E, } return C; } + case APValue::ComplexInt: { + llvm::Constant *Complex[2]; + + Complex[0] = llvm::ConstantInt::get(Result.Val.getComplexIntReal()); + Complex[1] = llvm::ConstantInt::get(Result.Val.getComplexIntImag()); + + return llvm::ConstantStruct::get(Complex, 2); + } case APValue::Float: return llvm::ConstantFP::get(Result.Val.getFloat()); case APValue::ComplexFloat: { |