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2015 Jul 08
4
[LLVMdev] New backend help request.
Hi all,
I'm trying to continue an existing m68k backend for LLVM. I'm completely new
to LLVM development so I've been muddling my way through mostly by trial and
error and using existing back ends for reference. I'm trying to implement
code to allow calling. I am compiling this C code --
typedef unsigned int uint32_t;
typedef char int8_t;
uint32_t foo(uint32_t x, int8_t y)
{
2015 Feb 04
6
[LLVMdev] llvm builtins
In the following example with gcc style builtins, in once case
llvm.powi.f64 is emitted
and in the other just a call to library function powf.
~/llvm/build/Debug+Asserts/bin/clang -S -emit-llvm pow1.c
Why is that?
Is there a way to force the call to an llvm style builtin?
Tia.
Reed
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