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-rw-r--r--llvm/lib/IR/Instructions.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/IR/Instructions.cpp b/llvm/lib/IR/Instructions.cpp
index ce0df53..fc5c9b2 100644
--- a/llvm/lib/IR/Instructions.cpp
+++ b/llvm/lib/IR/Instructions.cpp
@@ -3525,6 +3525,7 @@ CastInst *CastInst::CreateFPCast(Value *C, Type *Ty,
"Invalid cast");
unsigned SrcBits = C->getType()->getScalarSizeInBits();
unsigned DstBits = Ty->getScalarSizeInBits();
+ assert((C->getType() == Ty || SrcBits != DstBits) && "Invalid cast");
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt));