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3 Commits

Author SHA1 Message Date
Manman Ren
1b7973fc19 TBAA: remove !tbaa from testing cases when they are not needed. 
This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 188944
 2013-08-21 22:20:53 +00:00
Pranav Bhandarkar
520d26e773 Hexagon - Add peephole optimizations for zero extends. 
* lib/Target/Hexagon/HexagonInstrInfo.td: Add patterns to combine a
	sequence of a pair of i32->i64 extensions followed by a "bitwise or"
	into COMBINE_rr.
	* lib/Target/Hexagon/HexagonPeephole.cpp: Copy propagate Rx in the
	instruction Rp = COMBINE_Ir_V4(0, Rx) to the uses of Rp:subreg_loreg.
	* test/CodeGen/Hexagon/union-1.ll: New test.
	* test/CodeGen/Hexagon/combine_ir.ll: Fix test.

llvm-svn: 180946
 2013-05-02 20:22:51 +00:00
Jyotsna Verma
e97a68f8b5 Hexagon: Add V4 combine instructions and some more Def Pats for V2. 
llvm-svn: 174331
 2013-02-04 15:52:56 +00:00