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009da05e75
llvm-6502/test/Transforms
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Benjamin Kramer 009da05e75 ComputeMaskedBits: Make knownzero computation more aggressive for ctlz with undef zero. 
unsigned foo(unsigned x) { return 31 - __builtin_clz(x); }
now compiles into a single "bsrl" instruction on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-24 17:31:46 +00:00
..
ADCE Try to eliminate the use of the 'unwind' instruction. 2011-09-02 22:41:11 +00:00
ArgumentPromotion fix PR8932, a case where arg promotion could infinitely promote. 2011-01-16 08:09:24 +00:00
BlockPlacement
BranchFolding
CodeExtractor Update this test to the new EH model. 2011-09-20 22:29:43 +00:00
CodeGenPrepare Roll r127459 back in: 2011-03-11 21:52:04 +00:00
ConstantMerge Teach the ConstantMerge pass about alignment. Fixes PR10514! 2011-07-27 19:47:34 +00:00
ConstProp Manually upgrade the test suite to specify the flag to cttz and ctlz. 2011-12-12 11:59:10 +00:00
CorrelatedValuePropagation Test for lazy value info's ability to prove the absense of NULLs in pointers. 2011-01-16 21:57:20 +00:00
DeadArgElim Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
DeadStoreElimination Fix infinite loop in DSE when deleting a free in a reachable loop that's also 2011-12-08 22:36:35 +00:00
EarlyCSE Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
FunctionAttrs Move this test from date-name to feature-name, and port it to FileCheck. 2011-12-23 18:41:31 +00:00
GlobalDCE remove a test that is using old-style llvm.dbg intrinsics, apparently only 2011-11-27 18:13:47 +00:00
GlobalOpt remove autoupgrade support for old forms of llvm.prefetch and the old 2011-11-27 07:42:04 +00:00
GVN Fix crasher in GVN due to my recent capture tracking changes. 2011-11-21 19:42:56 +00:00
IndVarSimplify Reenable this IndVars unit test. 2011-11-29 00:52:04 +00:00
Inline Allow inlining of functions with returns_twice calls, if they have the 2011-12-18 20:35:43 +00:00
InstCombine ComputeMaskedBits: Make knownzero computation more aggressive for ctlz with undef zero. 2011-12-24 17:31:46 +00:00
InstSimplify Add support for vectors of pointers. 2011-12-05 06:29:09 +00:00
Internalize Add test for r127138. 2011-03-07 21:28:14 +00:00
IPConstantProp Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
JumpThreading Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
LCSSA Try to eliminate the use of the 'unwind' instruction. 2011-09-02 22:41:11 +00:00
LICM Move Instruction::isSafeToSpeculativelyExecute out of VMCore and 2011-12-14 23:49:11 +00:00
LoopDeletion Remove the old tail duplication pass. It is not used and is unable to update 2011-08-30 23:03:45 +00:00
LoopIdiom Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit. 2011-09-27 20:39:19 +00:00
LoopRotate remove asmparser support for the old getresult instruction, which has been subsumed by extractvalue. 2011-06-17 06:57:15 +00:00
LoopSimplify Make loop preheader insertion in LoopSimplify handle the case where the loop header is a landing pad correctly (by splitting the landingpad out of the loop header). Make some adjustments to the rest of LoopSimplify to make it clear that the rest of LoopSimplify isn't making bad assumptions about the presence of landing pads. PR11575. 2011-12-15 00:50:34 +00:00
LoopStrengthReduce Unit test for r146950: LSR postinc expansion, PR11571. 2011-12-20 01:43:20 +00:00
LoopUnroll Add -unroll-runtime for unrolling loops with run-time trip counts. 2011-12-09 06:19:40 +00:00
LoopUnswitch Reinstate r146578; it doesn't appear to be the cause of some recent execution- 2011-12-22 21:06:36 +00:00
LowerAtomic Convert more tests over to the new atomic instructions. 2011-09-26 20:27:49 +00:00
LowerExpectIntrinsic Introduce "expect" intrinsic instructions. 2011-07-06 18:22:43 +00:00
LowerInvoke
LowerSwitch
Mem2Reg Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
MemCpyOpt Probably not a good idea to convert a single vector load into a memcpy. We 2011-12-06 00:19:08 +00:00
MergeFunc Convert to the new EH model. 2011-11-08 00:23:01 +00:00
ObjCARC It turns out that clang does use pointer-to-function types to 2011-12-14 19:10:53 +00:00
PhaseOrdering Add file. 2011-08-19 21:21:20 +00:00
PruneEH Update more tests to the new EH scheme. 2011-08-31 21:04:11 +00:00
Reassociate Remove empty test. 2011-08-02 02:47:45 +00:00
ScalarRepl Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
SCCP Manually upgrade the test suite to specify the flag to cttz and ctlz. 2011-12-12 11:59:10 +00:00
SimplifyCFG Make some intrinsics safe to speculatively execute. 2011-12-21 05:52:02 +00:00
SimplifyLibCalls Give string constants generated by IRBuilder private linkage. 2011-12-22 14:22:14 +00:00
Sink Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
StripSymbols fix PR10286, a problem with the .ll printer handling block addresses that are out-of-scope. 2011-08-03 06:15:41 +00:00
TailCallElim Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 2011-11-27 06:54:59 +00:00
TailDup Remove the old tail duplication pass. It is not used and is unable to update 2011-08-30 23:03:45 +00:00