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2012 Sep 27
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[LLVMdev] Possible bug or misunderstanding of feature LLVMConstIntOfString
Hi All
I am a novice LLVM user trying to use LLVMConstIntOfString using the c api
to get a integer of arbitrary size from a hexadecimal string.
Example code follows:
LLVMContextRef context = LLVMContextCreate();
LLVMValueRef value =
LLVMConstIntOfString(LLVMInt64TypeInContext(context), "0x0000000f0000ffff",
16);
This is working properly as expected.
However I have noticed that if the bits are not prefixed with enough zeros
to correspond to 32 or 64 bits this gives me:
For 0x0fff := 0xffffffff0fff (incorrect)
For 0xfff := 0xfffffffffff (incorrect)
For 0x00000...