Bump LLVM to Version 18

[zhixiao-zhang]

No description provided.

[zhixiao-zhang]

It seems that LLVM 18.1.0 doesn't have a binary built for ubuntu.

[yuleisui]

It seems that LLVM 18.1.0 doesn't have a binary built for ubuntu.

You could choose a version has pre build ubuntu.

[bjjwwang]

It seems that LLVM 18.1.0 doesn't have a binary built for ubuntu.

You could choose a version has pre build ubuntu.

These two prebuilt LLVM (one for x86 linux, and the other for arm linux)
https://github.com/bjjwwang/SVF-LLVM/releases/download/18.0.0/llvm-18.1.0-ubuntu20-rtti-x86-64.tar.gz
https://github.com/bjjwwang/SVF-LLVM/releases/download/18.0.0/llvm-18.1.0-ubuntu22-rtti-aarch64.tar.gz

please upload them to SVF-3.1 release
https://github.com/SVF-tools/SVF/releases/tag/SVF-3.1

Thanks.

[yuleisui]

I have uploaded the pre-build binaries to SVF-3.2. Please update your pull request (particularly llvm-18's binaries in build.sh) given the link below. @zhixiao-zhang Thank you.

https://github.com/SVF-tools/SVF/releases/tag/SVF-3.2
https://github.com/SVF-tools/SVF/releases/download/SVF-3.2/llvm-18.1.0-ubuntu20-rtti-x86-64.tar.gz
https://github.com/SVF-tools/SVF/releases/download/SVF-3.2/llvm-18.1.0-ubuntu22-rtti-aarch64.tar.gz

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.03%. Comparing base (80c478f) to head (3a8dbdb).
⚠️ Report is 43 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1772      +/-   ##
==========================================
+ Coverage   64.00%   64.03%   +0.02%     
==========================================
  Files         244      244              
  Lines       24454    24468      +14     
  Branches     4610     4610              
==========================================
+ Hits        15653    15667      +14     
  Misses       8801     8801              

Files with missing lines	Coverage Δ
svf-llvm/include/SVF-LLVM/BreakConstantExpr.h	33.33% <ø> (ø)
svf-llvm/lib/LLVMModule.cpp	76.25% <100.00%> (+0.37%)	⬆️
svf-llvm/lib/LLVMUtil.cpp	74.90% <100.00%> (ø)
svf-llvm/lib/SVFIRBuilder.cpp	86.97% <ø> (ø)

... and 1 file with indirect coverage changes

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