fix crash with case insensitive compare functions (str(n)casecmp())
MODIFY
llvm_mode/compare-transform-pass.so.cc
llvm_mode/compare-transform-pass.so.cc
@@ -257,6 +257,7 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp, const
std::vector<Value *> args;
args.push_back(load);
load = IRB.CreateCall(tolowerFn, args, "tmp");
+ load = IRB.CreateTrunc(load, Int8Ty);
}
Value *isub;
if (HasStr1)
@@ -272,14 +273,9 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp, const
next_bb = BasicBlock::Create(C, "cmp_added", end_bb->getParent(), end_bb);
BranchInst::Create(end_bb, next_bb);
-#if LLVM_VERSION_MAJOR < 8
- TerminatorInst *term = cur_bb->getTerminator();
-#else
- Instruction *term = cur_bb->getTerminator();
-#endif
Value *icmp = IRB.CreateICmpEQ(isub, ConstantInt::get(Int8Ty, 0));
IRB.CreateCondBr(icmp, next_bb, end_bb);
- term->eraseFromParent();
+ cur_bb->getTerminator()->eraseFromParent();
} else {
//IRB.CreateBr(end_bb);
}

fix crash with case insensitive compare functions (str(n)casecmp())