diff options
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
| -rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index 5814d27..c3554f6 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -59,6 +59,11 @@ int CBackendTargetMachineModule = 0; // Register the target. static RegisterTarget<CTargetMachine> X("c", "C backend"); +// Force static initialization when called from llvm/InitializeAllTargets.h +namespace llvm { + void InitializeCBackendTarget() { } +} + namespace { /// CBackendNameAllUsedStructsAndMergeFunctions - This pass inserts names for /// any unnamed structure types that are used by the program, and merges @@ -1449,6 +1454,17 @@ std::string CWriter::GetValueName(const Value *Operand) { /// writeInstComputationInline - Emit the computation for the specified /// instruction inline, with no destination provided. void CWriter::writeInstComputationInline(Instruction &I) { + // We can't currently support integer types other than 1, 8, 16, 32, 64. + // Validate this. + const Type *Ty = I.getType(); + if (Ty->isInteger() && (Ty!=Type::Int1Ty && Ty!=Type::Int8Ty && + Ty!=Type::Int16Ty && Ty!=Type::Int32Ty && Ty!=Type::Int64Ty)) { + cerr << "The C backend does not currently support integer " + << "types of widths other than 1, 8, 16, 32, 64.\n"; + cerr << "This is being tracked as PR 4158.\n"; + abort(); + } + // If this is a non-trivial bool computation, make sure to truncate down to // a 1 bit value. This is important because we want "add i1 x, y" to return // "0" when x and y are true, not "2" for example. |
