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Author SHA1 Message Date
Chris Lattner
0ca2c8e02c Now that compare instructions aren't lumped in with the other twoargfp instructions, 
we can get rid of the FpUCOM/FpUCOMi pseudo instructions, which makes stuff simpler
and faster.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14144 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:49:02 +00:00
Chris Lattner
ab8deccb82 Introduce a new FP instruction type to separate the compare cases from the 
twoarg cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14143 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:41:24 +00:00
Chris Lattner
00cda7a32d Bug fixed, new feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14142 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:35:21 +00:00
Chris Lattner
b4fe76cbb5 Add direct support for the isnan intrinsic, implementing test/Regression/CodeGen/X86/isnan.llx 
testcase


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14141 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:31:10 +00:00
Chris Lattner
665e661384 Add support for the setp instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14140 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:30:06 +00:00
Chris Lattner
d62d5d7e5b Split compare instruction handling OUT of handleTwoArgFP into handleCompareFP. 
This makes the code much simpler, and the two cases really do belong apart.
Once we do it, it's pretty obvious how flawed the logic was for A != A case,
so I fixed it (fixing PR369).

This also uses freeStackSlotAfter instead of inserting an fxchg then
popStackAfter'ing in the case where there is a dead result (unlikely, but
possible), producing better code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14139 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 04:25:06 +00:00
Reid Spencer
431c8767d9 Change tags rule to pipe output from find through etags command so that it 
doesn't break on machines with limited command line lengths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14138 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 03:10:27 +00:00
Reid Spencer
8a9a3706ff Revert an unneeded interface change to Instruction.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 03:06:43 +00:00
Chris Lattner
4d091e0a52 Testcase for PR369 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14136 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:59:47 +00:00
Chris Lattner
a32579b8f8 Check to make sure that isnan doesn't require calling a function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14135 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:54:54 +00:00
Chris Lattner
02348caffc Fix lowering to work correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14134 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:54:02 +00:00
Chris Lattner
86ee776681 I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.

Modernize testcase


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14133 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:29:57 +00:00
Chris Lattner
137cc4fc8c I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14132 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:29:43 +00:00
Chris Lattner
320062845b Document the llvm.isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14131 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:28:03 +00:00
Brian Gaeke
11074e3355 Bug fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14130 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:15:39 +00:00
Brian Gaeke
51f148f394 Test case for PR368 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14129 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:11:43 +00:00
Brian Gaeke
46bf5afa01 Turn loads of ConstantPointerNulls into loads of zero... don't spill 
them into the constant pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14128 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:03:48 +00:00
Alkis Evlogimenos
f616f22e81 Add the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14127 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 01:08:18 +00:00
Alkis Evlogimenos
fd39b30a7a Add feature test for llvm intrinsics. It currently contains only the "isunordered" intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14126 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 01:06:40 +00:00
Reid Spencer
38a6cfe41e Updated the BytecodeAnalysis data structure to contain additional fields 
needed for analysis of individual functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14125 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 22:28:11 +00:00
Reid Spencer
def0e55c87 Added an isPhiNode(unsigned) static method to determine if an opcode is 
a PhiNode or not. Needed by Bytecode Analyzer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 22:27:10 +00:00
Reid Spencer
7c7680a14e Remove tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14123 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 22:03:00 +00:00
Reid Spencer
cbb22e218e Implement detailed function level data collection and reporting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14122 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 22:00:54 +00:00
Reid Spencer
2467a06057 Adjust prototypes to new Handler interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14121 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 22:00:29 +00:00
Reid Spencer
ab5fce2299 Make the parser deal with functions instead of just function types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14120 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 21:59:20 +00:00
Reid Spencer
23d46e70b1 Clean up documentation and naming of variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14119 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 18:38:44 +00:00
Misha Brukman
236b7e2142 Remove extra space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14117 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 12:51:35 +00:00
Reid Spencer
8d131d1fec Doxygenize a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14115 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 08:27:00 +00:00
Reid Spencer
465ba87c92 Made detailed output the default and changed -details option to -nodetails. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14114 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 08:24:42 +00:00
Reid Spencer
00c28a7481 Implemented the bulk of the functionality. Cleaned up the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14113 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 08:09:13 +00:00
Brian Gaeke
43f38677f5 Allow dates with slashes in them in $DateRE. 
Don't match on $Filename (which will be unset) if we hit 'UNMATCHABLE:'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 07:44:28 +00:00
Chris Lattner
577aec1428 Fix the prolog epilog code inserter to match the documentation and support 
targets whose stack grows up.

Patch contributed by Vladimir Prus


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 06:23:35 +00:00
Chris Lattner
32305f7763 Fix the fixed stack offset, patch contributed by Vladimir Prus 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14110 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 06:19:25 +00:00
Chris Lattner
3285a6f426 Fix a bug in my checkin from last night that caused miscompilations of 
186.crafty, fhourstones and 132.ijpeg.

Bugpoint makes really nasty miscompilations embarassingly easy to find.  It
narrowed it down to the instcombiner and this testcase (from fhourstones):

bool %l7153_l4706_htstat_loopentry_2E_4_no_exit_2E_4(int* %i, [32 x int]* %works, int* %tmp.98.out) {
newFuncRoot:
        %tmp.96 = load int* %i          ; <int> [#uses=1]
        %tmp.97 = getelementptr [32 x int]* %works, long 0, int %tmp.96         ; <int*> [#uses=1]
        %tmp.98 = load int* %tmp.97             ; <int> [#uses=2]
        %tmp.99 = load int* %i          ; <int> [#uses=1]
        %tmp.100 = and int %tmp.99, 7           ; <int> [#uses=1]
        %tmp.101 = seteq int %tmp.100, 7                ; <bool> [#uses=2]
        %tmp.102 = cast bool %tmp.101 to int            ; <int> [#uses=0]
        br bool %tmp.101, label %codeRepl4.exitStub, label %codeRepl3.exitStub

codeRepl4.exitStub:             ; preds = %newFuncRoot
        store int %tmp.98, int* %tmp.98.out
        ret bool true

codeRepl3.exitStub:             ; preds = %newFuncRoot
        store int %tmp.98, int* %tmp.98.out
        ret bool false
}

... which only has one combination performed on it:

$ llvm-as < t.ll | opt -instcombine -debug | llvm-dis
IC: Old =       %tmp.101 = seteq int %tmp.100, 7                ; <bool> [#uses=1]
    New =       setne int %tmp.100, 0           ; <bool>:<badref> [#uses=0]
IC: MOD =       br bool %tmp.101, label %codeRepl3.exitStub, label %codeRepl4.exitStub
IC: MOD =       %tmp.97 = getelementptr [32 x int]* %works, uint 0, int %tmp.96         ; <int*> [#uses=1]

It doesn't get much better than this.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14109 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 02:33:20 +00:00
Chris Lattner
448c323cba More minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14108 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 02:12:35 +00:00
Chris Lattner
48595f18cf Eliminate many occurrances of Instruction:: 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 02:07:29 +00:00
Chris Lattner
1797ce1e24 Share some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14106 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 01:57:38 +00:00
Chris Lattner
5118872dd2 Add new BinaryOperator::createAdd/Sub/... methods to avoid having to type 
llvm::Instruction:: all of the time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14105 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 01:43:29 +00:00
Chris Lattner
e9e326e2eb Tolerate more errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14104 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 22:22:10 +00:00
Brian Gaeke
7fa84b70c3 Encode %fsr correctly; don't fail an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14103 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 21:54:59 +00:00
Brian Gaeke
40e7fdc05a Fix encoding of ST*FSR instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14102 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 21:54:58 +00:00
Brian Gaeke
e8a6bee3c9 Fix assertion failure message to have the right method name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14101 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 20:44:42 +00:00
Chris Lattner
69566459cc Make the asmwriter much more tolerant of errors (which are common when working 
on new front-ends and stuff).  Also get rid of some tabs that snuck in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 19:41:19 +00:00
Reid Spencer
389174b098 Columnized the compilation statistics for easier reading. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14099 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 18:29:15 +00:00
Chris Lattner
ff2c64c979 Fix the really bizarre stuff that happened last night in the tester 
due to non-numeric diff failures that caused fpcmp to go into infinite loops


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14098 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 18:28:53 +00:00
Reid Spencer
fc621e2878 Made it possible for the printInfoComment method to invoke getSlot in 
such a way that if the Value being printed is standalone that we don't
assert and abort but just print ":??" for the slot number instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14097 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 15:26:53 +00:00
John Criswell
6b5bd5857d Fix for PR#366. We use getClassB() so that we can handle cast instructions 
that cast to bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14096 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 15:18:51 +00:00
Chris Lattner
457dd829ad Implement InstCombine/select.ll:test15* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14095 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 07:59:58 +00:00
Chris Lattner
9e28f18fb3 More instcombine testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 07:59:40 +00:00
Reid Spencer
525f228d95 Cleanup alignment of output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14093 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-09 06:22:00 +00:00