Chris Lattner 7259df3ab8 implement Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll. ... We used to emit this code for it: _test: li r2, 1 ;; Value tying up a register for the whole loop li r5, 0 LBB_test_1: ; no_exit.2 or r6, r5, r5 li r5, 0 stw r5, 0(r3) addi r5, r6, 1 addi r3, r3, 4 add r7, r2, r5 ;; should be addi r7, r5, 1 cmpwi cr0, r7, 701 blt cr0, LBB_test_1 ; no_exit.2 LBB_test_2: ; loopexit.2.loopexit addi r2, r6, 2 stw r2, 0(r4) blr now we emit this: _test: li r2, 0 LBB_test_1: ; no_exit.2 or r5, r2, r2 li r2, 0 stw r2, 0(r3) addi r3, r3, 4 addi r2, r5, 1 addi r6, r5, 2 ;; whoa, fold those adds! cmpwi cr0, r6, 701 blt cr0, LBB_test_1 ; no_exit.2 LBB_test_2: ; loopexit.2.loopexit addi r2, r5, 2 stw r2, 0(r4) blr more improvement coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23306 91177308-0d34-0410-b5e6-96231b3b80d8		2005-09-10 01:18:45 +00:00
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Hello
Instrumentation	Eliminate tabs and trailing spaces	2005-04-23 21:38:35 +00:00
IPO	Transform floor((double)FLT) -> (double)floorf(FLT), implementing	2005-08-24 17:22:17 +00:00
Scalar	implement Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll.	2005-09-10 01:18:45 +00:00
Utils	Teach SplitCriticalEdge to update LoopInfo if it is alive. This fixes	2005-08-13 01:38:43 +00:00
ExprTypeConvert.cpp	ConvertibleToGEP always returns 0, remove some old crufty code which	2005-07-26 16:38:28 +00:00
LevelRaise.cpp	ConvertibleToGEP always returns 0, remove some old crufty code which	2005-07-26 16:38:28 +00:00
Makefile
TransformInternals.cpp	ConvertibleToGEP always returns 0, remove some old crufty code which	2005-07-26 16:38:28 +00:00
TransformInternals.h	ConvertibleToGEP always returns 0, remove some old crufty code which	2005-07-26 16:38:28 +00:00