From cc88d37531664d8198f3d54fe8334d5c9ece57b8 Mon Sep 17 00:00:00 2001 From: Ted Kremenek Date: Wed, 7 Nov 2007 18:24:34 +0000 Subject: Implemented serialization of signed integers. llvm-svn: 43828 --- llvm/lib/Bitcode/Reader/Deserialize.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'llvm/lib/Bitcode/Reader') diff --git a/llvm/lib/Bitcode/Reader/Deserialize.cpp b/llvm/lib/Bitcode/Reader/Deserialize.cpp index d4ed26b380a..99cb5d2e3ab 100644 --- a/llvm/lib/Bitcode/Reader/Deserialize.cpp +++ b/llvm/lib/Bitcode/Reader/Deserialize.cpp @@ -105,6 +105,12 @@ uint64_t Deserializer::ReadInt() { return Record[RecIdx++]; } +int64_t Deserializer::ReadSInt() { + uint64_t x = ReadInt(); + int64_t magnitude = x >> 1; + return x & 0x1 ? -magnitude : magnitude; +} + char* Deserializer::ReadCStr(char* cstr, unsigned MaxLen, bool isNullTerm) { if (cstr == NULL) MaxLen = 0; // Zero this just in case someone does something funny. @@ -226,3 +232,12 @@ INT_READ(unsigned char) INT_READ(unsigned short) INT_READ(unsigned int) INT_READ(unsigned long) + +#define SINT_READ(TYPE)\ +void SerializeTrait::Read(Deserializer& D, TYPE& X) {\ + X = (TYPE) D.ReadSInt(); } + +INT_READ(signed char) +INT_READ(signed short) +INT_READ(signed int) +INT_READ(signed long) -- cgit v1.2.3