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I just tried building the latest clang following the instructions in http://clang.llvm.org/get_started.html, and got this error when trying to compile at test program: /usr/bin/ld: cannot find /home/davem/clang-235334/bin/../lib/clang/3.7.0/lib/linux/libclang_rt.asan-x86_64.a: No such file or directory This thread: http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-April/084175.html indicates

I'm hitting a problem in SelectionDAGBuild::visitRet(), mainly: MVT VT = ValueVTs[j]; // FIXME: C calling convention requires the return type to be promoted to // at least 32-bit. But this is not necessary for non-C calling // conventions. if (VT.isInteger()) { MVT MinVT = TLI.getRegisterType(MVT::i32); if (VT.bitsLT(MinVT)) VT...

Hi, The attached patch implements sub.ovf/mul.ovf intrinsics similarly to the recently added add.ovf intrinsics. These are useful for implementing some vm instructions like sub.ovf/mul.ovf in .NET IL efficiently. sub.ovf is supported in target independent lowering and on x86, while mul.ovf is only supported in the x86 backend. Please review

Hi, Clang crashes when below snippet of code is compiled (used latest svn version) *double func1() { double x ;* * asm ( "" : "=r"(x) : "0"(x) ); return x; }* > *clang -S test1.c* > *Assertion failed: (PartVT.isInteger() || PartVT == MVT::x86mmx) && ValueVT.isInteger() && "Unknown mismatch!", file

I reported http://llvm.org/pr14393 to track it. On 20 November 2012 05:18, rajesh viswabramana <viswabramana.rajesh at gmail.com> wrote: > Hi, > > Clang crashes when below snippet of code is compiled (used latest svn > version) > > double func1() > { > double x ; > asm ( "" : "=r"(x) : "0"(x) ); > return x; > } >

Thanks Rafael, Hello All, Could anyone please comment, which part in selectiondag need to be understood/modified to fix this. Regards, Rajesh On Wed, Nov 21, 2012 at 2:38 AM, Rafael Espíndola < rafael.espindola at gmail.com> wrote: > I reported http://llvm.org/pr14393 to track it. > > On 20 November 2012 05:18, rajesh viswabramana > <viswabramana.rajesh at

Hi all, I tried same code on gcc for arm(hard float), double f2 () { double x = 10.0; asm ("" : "=r" (x) : "0" (x)); return x; } > arm-linux-gnueabi-gcc -S -mhard-float pr39058.c -O2 Generates proper code, mov r3, #0 mov r2, #0 movt r3, 16420 fmdrr d0, r2, r3 bx lr But llvm crashes, If data type is "double",