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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-19 23:17:44 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-19 23:17:44 +0000 |
| commit | 0c706c29f20b6fa36759fa41333b9c3ec0bd2969 (patch) | |
| tree | cff749b4d8a9d6e5b4fbae39c4f4e710307366c0 /lib/CodeGen/CGExprComplex.cpp | |
| parent | 40ccaccd21a4377cd76d6adda2b192dcf9514ef6 (diff) | |
Add list initialization for complex numbers in C. Essentially, this allows "_Complex float x = {1.0f, 2.0f};". See changes to docs/LanguageExtensions.html for a longer description.
<rdar://problem/9397672>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140090 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprComplex.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprComplex.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp index 5a752a1830..a92a7ad33e 100644 --- a/lib/CodeGen/CGExprComplex.cpp +++ b/lib/CodeGen/CGExprComplex.cpp @@ -738,10 +738,17 @@ ComplexPairTy ComplexExprEmitter::VisitInitListExpr(InitListExpr *E) { Ignore = TestAndClearIgnoreImag(); (void)Ignore; assert (Ignore == false && "init list ignored"); - if (E->getNumInits()) + + if (E->getNumInits() == 2) { + llvm::Value *Real = CGF.EmitScalarExpr(E->getInit(0)); + llvm::Value *Imag = CGF.EmitScalarExpr(E->getInit(1)); + return ComplexPairTy(Real, Imag); + } else if (E->getNumInits() == 1) { return Visit(E->getInit(0)); + } // Empty init list intializes to null + assert(E->getNumInits() == 0 && "Unexpected number of inits"); QualType Ty = E->getType()->getAs<ComplexType>()->getElementType(); llvm::Type* LTy = CGF.ConvertType(Ty); llvm::Value* zeroConstant = llvm::Constant::getNullValue(LTy); |