[llvm-dev] Debugging clang with debugger breakpoints ?

[Joan Lluch via llvm-dev]

Sorry Zach, my apologies. 

I understood now what you mean. I tried and it works!. 

But now I found that LLVM_DEBUG statements and other output to the console doesn’t show. How do I get that back?.

Thanks 

John 


> On 4 Nov 2019, at 22:26, Zachary Turner <zturner at roblox.com> wrote:
> 
> You hit Reply on my email but then addressed David.  So I want to make sure you saw my suggestion.  Let me know if you tried that and/or whether or not it solved your problem.
> 
> Zach
> 
> On Mon, Nov 4, 2019 at 1:23 PM Joan Lluch <joan.lluch at icloud.com <mailto:joan.lluch at icloud.com>> wrote:
> Hi David,
> 
> I understand what you say, but have you actually read my messages? I don’t think so,
> 
> Anyway, I will repost the question in case someone else can help.
> 
> Thanks
> 
> John
> 
> 
> 
> 
> 
>> On 4 Nov 2019, at 22:18, Zachary Turner <zturner at roblox.com <mailto:zturner at roblox.com>> wrote:
>> 
>> 
>> 
>> On Mon, Nov 4, 2019 at 1:11 PM Joan Lluch via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>> Hi David,
>> 
>> Thank you for your patience but I still don’t get it:  I don’t see how that is a “command”, as it’s just a list of strings that state command options.
>> 
>> This is the output you pasted after running the command:
>> 
>> > "/Users/joan/LLVM-9/llvm-project/build/Debug/bin/clang" "-cc1" "-triple" "msp430" "-emit-llvm" "-disable-free" "-main-file-name" "main.c" "-mrelocation-model" "static" "-mthread-model" "posix" "-fmath-errno" "-masm-verbose" "-mconstructor-aliases" "-nostdsysteminc" "-dwarf-column-info" "-debugger-tuning=gdb" "-target-linker-version" "305" "-momit-leaf-frame-pointer" "-coverage-notes-file" "/Users/joan/Documents-Local/Relay/RelayNou/main.gcno" "-resource-dir" "/Users/joan/LLVM-9/llvm-project/build/Debug/lib/clang/9.0.1" "-internal-isystem" "/Users/joan/LLVM-9/llvm-project/build/Debug/bin/../msp430/include" "-Oz" "-fdebug-compilation-dir" "/Users/joan/Documents-Local/Relay/RelayNou" "-ferror-limit" "19" "-fmessage-length" "224" "-fobjc-runtime=gcc" "-fdiagnostics-show-option" "-fcolor-diagnostics" "-vectorize-slp" "-faddrsig" "-o" "main.ll" "-x" "c" "main.c" 
>> 
>> Yes it is a list of strings.  But the first string "/Users/joan/LLVM-9/llvm-project/build/Debug/bin/clang" is a command.  The rest are arguments.  So you should set your debugger to run this command:
>> 
>> "/Users/joan/LLVM-9/llvm-project/build/Debug/bin/clang" 
>> 
>> with these arguments:
>> 
>> "-cc1" "-triple" "msp430" "-emit-llvm" "-disable-free" "-main-file-name" "main.c" "-mrelocation-model" "static" "-mthread-model" "posix" "-fmath-errno" "-masm-verbose" "-mconstructor-aliases" "-nostdsysteminc" "-dwarf-column-info" "-debugger-tuning=gdb" "-target-linker-version" "305" "-momit-leaf-frame-pointer" "-coverage-notes-file" "/Users/joan/Documents-Local/Relay/RelayNou/main.gcno" "-resource-dir" "/Users/joan/LLVM-9/llvm-project/build/Debug/lib/clang/9.0.1" "-internal-isystem" "/Users/joan/LLVM-9/llvm-project/build/Debug/bin/../msp430/include" "-Oz" "-fdebug-compilation-dir" "/Users/joan/Documents-Local/Relay/RelayNou" "-ferror-limit" "19" "-fmessage-length" "224" "-fobjc-runtime=gcc" "-fdiagnostics-show-option" "-fcolor-diagnostics" "-vectorize-slp" "-faddrsig" "-o" "main.ll" "-x" "c" "main.c"
>> 
>> Does that make sense?
> 

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