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llvm-mirror/test/CodeGen/CellSPU
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Evan Cheng 25dcf9b830 Teach dag combine to fold the following transformation more aggressively: 
(OP (trunc x), (trunc y)) -> (trunc (OP x, y))

Unfortunately this simple change causes dag combine to infinite looping. The problem is the shrink demanded ops optimization tend to canonicalize expressions in the opposite manner. That is badness. This patch disable those optimizations in dag combine but instead it is done as a late pass in sdisel.

This also exposes some deficiencies in dag combine and x86 setcc / brcond lowering. Teach them to look pass ISD::TRUNCATE in various places.

llvm-svn: 92849
2010-01-06 19:38:29 +00:00
..
useful-harnesses Teach lit that the .c files in 'test/CodeGen/CellSPU/useful-harnesses' aren't tests. 2009-10-19 03:53:55 +00:00
2009-01-01-BrCond.ll Revert the main portion of r31856. It was causing BranchFolding 2009-10-22 00:03:58 +00:00
and_ops.ll Revert this dag combine change: 2009-12-17 00:40:05 +00:00
call_indirect.ll Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code. 2009-12-09 01:53:58 +00:00
call.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
ctpop.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
dg.exp sabre brings to my attention that the 'tr' suffix is also obsolete 2008-05-20 21:00:03 +00:00
dp_farith.ll Delete useless trailing semicolons. 2010-01-05 17:55:26 +00:00
eqv.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
extract_elt.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
fcmp32.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
fcmp64.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
fdiv.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
fneg-fabs.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
i8ops.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
i64ops.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
icmp8.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
icmp16.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
icmp32.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
icmp64.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
immed16.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
immed32.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
immed64.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
int2fp.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
intrinsics_branch.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
intrinsics_float.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
intrinsics_logical.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
loads.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
mul_ops.ll Teach dag combine to fold the following transformation more aggressively: 2010-01-06 19:38:29 +00:00
mul-with-overflow.ll Eliminate more uses of llvm-as and llvm-dis. 2009-09-09 00:09:15 +00:00
nand.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
or_ops.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
private.ll Delete useless trailing semicolons. 2010-01-05 17:55:26 +00:00
rotate_ops.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
select_bits.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
sext128.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
shift_ops.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
sp_farith.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
stores.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
struct_1.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
trunc.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
vec_const.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00
vecinsert.ll Convert more tests to avoid llvm-as. 2009-09-11 18:36:27 +00:00