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...ilto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of Duncan Sands Sent: Thursday, November 18, 2010 12:48 PM To: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] LLVM BUG for x86 code generation ? Hi Sebastian, > when I compiled attached .ll file with llc 2.8 as follows: > > llc -O0 -march=x86 llvmfails.ll -o llvmfails.s gcc -m32 llvmfails.s -o > llvmfails ./llvmfails > > the executable exits with the expected message: "SUCCESS", whereas if I use -O1 instead of -O0 for LLC, it prints out FAILS. > > llc -O0 -march=x86 llvmfails.ll -o llvmfails.s gcc -m32 llvmfails.s -o &...

Hi Sebastien, > I've patched LLVM 2.8 source tree, and it doesn't fix the problem on my side. Are you sure you tested using the newly built llc? > Did you checked that your patch fixes the problem ? I did: Before: $ llc -O1 -march=x86 llvmfails.ll -o llvmfails.s $ gcc -m32 llvmfails.s -o llvmfails && ./llvmfails FAILS After: $ ~/LLVM/llvm-objects/Debug+Asserts/bin/llc -O1 -march=x86 llvmfails.ll -o llvmfails.s $ gcc -m32 llvmfails.s -o llvmfails && ./llvmfails SUCCESS Ciao, Duncan. > > Best Regards > Seb &g...

HI All, when I compiled attached .ll file with llc 2.8 as follows: llc -O0 -march=x86 llvmfails.ll -o llvmfails.s gcc -m32 llvmfails.s -o llvmfails ./llvmfails the executable exits with the expected message: "SUCCESS", whereas if I use -O1 instead of -O0 for LLC, it prints out FAILS. llc -O0 -march=x86 llvmfails.ll -o llvmfails.s gcc -m32 llvmfails.s -o llvmfails ./llvmfails As...

Hi Sebastian, > when I compiled attached .ll file with llc 2.8 as follows: > > llc -O0 -march=x86 llvmfails.ll -o llvmfails.s > gcc -m32 llvmfails.s -o llvmfails > ./llvmfails > > the executable exits with the expected message: "SUCCESS", whereas if I use -O1 instead of -O0 for LLC, it prints out FAILS. > > llc -O0 -march=x86 llvmfails.ll -o llvmfails.s > gcc -m32 llvmfail...

...[LLVMdev] LLVM BUG for x86 code generation ? Hi Sebastien, > I've patched LLVM 2.8 source tree, and it doesn't fix the problem on my side. Are you sure you tested using the newly built llc? > Did you checked that your patch fixes the problem ? I did: Before: $ llc -O1 -march=x86 llvmfails.ll -o llvmfails.s $ gcc -m32 llvmfails.s -o llvmfails && ./llvmfails FAILS After: $ ~/LLVM/llvm-objects/Debug+Asserts/bin/llc -O1 -march=x86 llvmfails.ll -o llvmfails.s $ gcc -m32 llvmfails.s -o llvmfails && ./llvmfails SUCCESS Ciao, Duncan. > > Best Regards > Seb &g...