[LLVMdev] How to see what's going on behind llc through clang/clang++

Tue Apr 7 07:11:19 PDT 2015

Hi,

Is there a way to see what the default argument llc takes from
clang/clang++ ? I'm debugging my backend with a very simple c++ program.
Running through

*clang++ -target myTarget -S simple.cpp -o simple.s * (bug does no show up)

gives me different results from

*clang++ -target myTarget -S -emit-llvm -o simple.cpp -o simple.ll*
*llc simple.ll -o simple.s *(bug shows up)

Just trying to understand what's the difference here

Thanks,
Patrick
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