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I am trying to run the llvm InstCount pass in the new pass manager on a random generated c code.

  1. I generated a .bc file from the c file , using command :
/usr/bin/clang -I/home/intern24001/csmith/install_csmith/include -c -emit-llvm randomcode-1.c -o rand.bc

After this I ran

./bin/opt rand.bc -S -stats -passes="instcount"  -o /dev/null

This gave me a blank Statistic report, I have built llvm with -DLLVM_ENABLE_ASSERTIONS=ON

===-------------------------------------------------------------------------===
                          ... Statistics Collected ...
===-------------------------------------------------------------------------===

407 bitcode-reader - Number of Metadata records loaded
  7 bitcode-reader - Number of MDStrings loaded

I have clang-19 in LLVM build

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  • Did you ever figure this out? Commented Jun 30, 2024 at 4:07
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