- Subject: Re: LLVM and PSEUDO_REG/PSEUDO_PHI
- From: Jeff Garzik <jeff@xxxxxxxxxx>
- Date: Mon, 29 Aug 2011 15:52:24 -0400
- Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, linux-sparse@xxxxxxxxxxxxxxx
- In-reply-to: <alpine.DEB.2.00.1108292242110.24020@localhost6.localdomain6>
- References: <4E5495C9.6050207@kernel.org> <CA+55aFwLLn30qohqJeBZLVUYWLKUnbBxnL9u+v=4Fx8TpxDQUQ@mail.gmail.com> <4E55F33C.50203@kernel.org> <CAOJsxLF-=mPSdKLwmc61ZRTQrLGjPTUwVw+PqabYvGKVRwh9sQ@mail.gmail.com> <CAOJsxLFMz7fs4ySkizHk43a0fz9VKS5ReWXoJa8cy2AQ6iwRng@mail.gmail.com> <CA+55aFywG3vBA87W2h1f=-H144MTZesEwp5jVu8ndyBfLX7Sbg@mail.gmail.com> <alpine.DEB.2.00.1108252046090.6272@localhost6.localdomain6> <CA+55aFxRkS4HLeW18-q+4Co7kRdiQBv4wnD=GX5ymAGigXR3MQ@mail.gmail.com> <alpine.DEB.2.00.1108252107210.6272@localhost6.localdomain6> <alpine.DEB.2.00.1108252310490.22479@localhost6.localdomain6> <CA+55aFy3TUT=BFD+Nb9H6uDBhz427kC4tBc+ehQDs6JBggTuHQ@mail.gmail.com> <4E573A3E.6060104@kernel.org> <CA+55aFzbV0OvrtkzbjxvL1tkfF=+6xbBsyWb8XtAcK-YNeKjZw@mail.gmail.com> <alpine.DEB.2.00.1108271214410.14365@localhost6.localdomain6> <CA+55aFzbfD4RDe52HCL9mfSYMzFdvP96OiK5ifkfUKNkzjJNrg@mail.gmail.com> <alpine.DEB.2.00.1108292242110.24020@localhost6.localdomain6>
- User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0
On 08/29/2011 03:45 PM, Pekka Enberg wrote:
However, i'm not 100% sure that's sufficient. Is OP_CAST always
zero-extend or do we need to check for something specific here?
At a minimum we must deal with pointer casts in there too?
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