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4 Commits

Author SHA1 Message Date
Dan Gohman ece881d518 [WebAssembly] Add a test for the mem-intrinsic code in WebAssemblyPeephole.cpp 
llvm-svn: 258895
 2016-01-27 01:37:52 +00:00
Derek Schuff 90d9e8d370 [WebAssembly] Omit no-op adds for non-mem uses of FrameIndex 
Differential Revision: http://reviews.llvm.org/D16554

llvm-svn: 258872
 2016-01-26 22:47:43 +00:00
JF Bastien 1a6c7608b1 WebAssembly: don't optimize memcpy/memmove/memcpy to frame index 
r258781 optimized memcpy/memmove/memcpy so the intrinsic call can return its first argument, but missed the frame index case. Teach it to ignore that case so C code doesn't assert out in these cases.

llvm-svn: 258851
 2016-01-26 20:22:42 +00:00
Dan Gohman bdf08d5da6 [WebAssembly] Optimize memcpy/memmove/memcpy calls. 
These calls return their first argument, but because LLVM uses an intrinsic
with a void return type, they can't use the returned attribute. Generalize
the store results pass to optimize these calls too.

llvm-svn: 258781
 2016-01-26 04:01:11 +00:00