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Author SHA1 Message Date
Chris Lattner
c66e996765 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.

llvm-svn: 14139
 2004-06-11 04:25:06 +00:00
Reid Spencer
810a005b40 Change tags rule to pipe output from find through etags command so that it 
doesn't break on machines with limited command line lengths.

llvm-svn: 14138
 2004-06-11 03:10:27 +00:00
Reid Spencer
7172b26a18 Revert an unneeded interface change to Instruction.h 
llvm-svn: 14137
 2004-06-11 03:06:43 +00:00
Chris Lattner
6fc9e8dd94 Testcase for PR369 
llvm-svn: 14136
 2004-06-11 02:59:47 +00:00
Chris Lattner
c90dfb64dd Check to make sure that isnan doesn't require calling a function 
llvm-svn: 14135
 2004-06-11 02:54:54 +00:00
Chris Lattner
94a66c3038 Fix lowering to work correctly 
llvm-svn: 14134
 2004-06-11 02:54:02 +00:00
Chris Lattner
145f2e2936 I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.

Modernize testcase

llvm-svn: 14133
 2004-06-11 02:29:57 +00:00
Chris Lattner
b07bf147cd I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.

llvm-svn: 14132
 2004-06-11 02:29:43 +00:00
Chris Lattner
99dc0a4bda Document the llvm.isnan intrinsic 
llvm-svn: 14131
 2004-06-11 02:28:03 +00:00
Brian Gaeke
b368ff8ad4 Bug fixed. 
llvm-svn: 14130
 2004-06-11 02:15:39 +00:00
Brian Gaeke
270a6ba455 Test case for PR368 
llvm-svn: 14129
 2004-06-11 02:11:43 +00:00
Brian Gaeke
c5bb88c934 Turn loads of ConstantPointerNulls into loads of zero... don't spill 
them into the constant pool.

llvm-svn: 14128
 2004-06-11 02:03:48 +00:00
Alkis Evlogimenos
1ae8b4e7c4 Add the isunordered intrinsic. 
llvm-svn: 14127
 2004-06-11 01:08:18 +00:00
Alkis Evlogimenos
792243f603 Add feature test for llvm intrinsics. It currently contains only the "isunordered" intrinsic 
llvm-svn: 14126
 2004-06-11 01:06:40 +00:00
Reid Spencer
b2f8a70990 Updated the BytecodeAnalysis data structure to contain additional fields 
needed for analysis of individual functions.

llvm-svn: 14125
 2004-06-10 22:28:11 +00:00
Reid Spencer
aa6ccbcdee Added an isPhiNode(unsigned) static method to determine if an opcode is 
a PhiNode or not. Needed by Bytecode Analyzer.

llvm-svn: 14124
 2004-06-10 22:27:10 +00:00
Reid Spencer
35e67bbc91 Remove tabs. 
llvm-svn: 14123
 2004-06-10 22:03:00 +00:00
Reid Spencer
024d735433 Implement detailed function level data collection and reporting. 
llvm-svn: 14122
 2004-06-10 22:00:54 +00:00
Reid Spencer
4a21e2053a Adjust prototypes to new Handler interface. 
llvm-svn: 14121
 2004-06-10 22:00:29 +00:00
Reid Spencer
11466e62a7 Make the parser deal with functions instead of just function types. 
llvm-svn: 14120
 2004-06-10 21:59:20 +00:00
Reid Spencer
1cdaa55cda Clean up documentation and naming of variables. 
llvm-svn: 14119
 2004-06-10 18:38:44 +00:00
Misha Brukman
d3374cf482 Remove extra space. 
llvm-svn: 14117
 2004-06-10 12:51:35 +00:00
Reid Spencer
4dcaebd069 Doxygenize a comment. 
llvm-svn: 14115
 2004-06-10 08:27:00 +00:00
Reid Spencer
49b2fca671 Made detailed output the default and changed -details option to -nodetails. 
llvm-svn: 14114
 2004-06-10 08:24:42 +00:00
Reid Spencer
ce1adf1ff0 Implemented the bulk of the functionality. Cleaned up the code. 
llvm-svn: 14113
 2004-06-10 08:09:13 +00:00
Brian Gaeke
e24e40500f Allow dates with slashes in them in $DateRE. 
Don't match on $Filename (which will be unset) if we hit 'UNMATCHABLE:'.

llvm-svn: 14112
 2004-06-10 07:44:28 +00:00
Chris Lattner
71f351ddf9 Fix the prolog epilog code inserter to match the documentation and support 
targets whose stack grows up.

Patch contributed by Vladimir Prus

llvm-svn: 14111
 2004-06-10 06:23:35 +00:00
Chris Lattner
1f0e0d55c4 Fix the fixed stack offset, patch contributed by Vladimir Prus 
llvm-svn: 14110
 2004-06-10 06:19:25 +00:00
Chris Lattner
52654bf072 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.  :)

llvm-svn: 14109
 2004-06-10 02:33:20 +00:00
Chris Lattner
18cab818db More minor cleanups 
llvm-svn: 14108
 2004-06-10 02:12:35 +00:00
Chris Lattner
ba89f54271 Eliminate many occurrances of Instruction:: 
llvm-svn: 14107
 2004-06-10 02:07:29 +00:00
Chris Lattner
2c6bea32de Share some code 
llvm-svn: 14106
 2004-06-10 01:57:38 +00:00
Chris Lattner
9a3779e0a0 Add new BinaryOperator::createAdd/Sub/... methods to avoid having to type 
llvm::Instruction:: all of the time.

llvm-svn: 14105
 2004-06-10 01:43:29 +00:00
Chris Lattner
75e5aa4d22 Tolerate more errors 
llvm-svn: 14104
 2004-06-09 22:22:10 +00:00
Brian Gaeke
9cf9c6e184 Encode %fsr correctly; don't fail an assertion. 
llvm-svn: 14103
 2004-06-09 21:54:59 +00:00
Brian Gaeke
badbc7476a Fix encoding of ST*FSR instructions. 
llvm-svn: 14102
 2004-06-09 21:54:58 +00:00
Brian Gaeke
8e446cf7a2 Fix assertion failure message to have the right method name. 
llvm-svn: 14101
 2004-06-09 20:44:42 +00:00
Chris Lattner
3aa77d0e5e 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.

llvm-svn: 14100
 2004-06-09 19:41:19 +00:00
Reid Spencer
98b2d5c5c5 Columnized the compilation statistics for easier reading. 
llvm-svn: 14099
 2004-06-09 18:29:15 +00:00
Chris Lattner
69b6c53c78 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

llvm-svn: 14098
 2004-06-09 18:28:53 +00:00
Reid Spencer
a07033fecd 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.

llvm-svn: 14097
 2004-06-09 15:26:53 +00:00
John Criswell
287e3fc88b Fix for PR#366. We use getClassB() so that we can handle cast instructions 
that cast to bool.

llvm-svn: 14096
 2004-06-09 15:18:51 +00:00
Chris Lattner
b2434f1222 Implement InstCombine/select.ll:test15* 
llvm-svn: 14095
 2004-06-09 07:59:58 +00:00
Chris Lattner
bb26529f12 More instcombine testcases 
llvm-svn: 14094
 2004-06-09 07:59:40 +00:00
Reid Spencer
8bb8138b54 Cleanup alignment of output. 
llvm-svn: 14093
 2004-06-09 06:22:00 +00:00
Reid Spencer
149dc84ce8 Add some new fields for bytecode analysis. 
llvm-svn: 14092
 2004-06-09 06:18:53 +00:00
Reid Spencer
aa5110231e Implement analysis output. Don't dump function details unless requested. 
llvm-svn: 14091
 2004-06-09 06:17:58 +00:00
Reid Spencer
ca3bcbc07b Implement some rudimentary analysis. 
llvm-svn: 14090
 2004-06-09 06:16:43 +00:00
Reid Spencer
49f1f6f4c4 Clean up indentation of file body output. 
Don't dump functions unless "detailedResults" is requested.

llvm-svn: 14089
 2004-06-09 06:16:19 +00:00
Reid Spencer
b3f8b06dfc Move parsing details to Parser.cpp. 
llvm-svn: 14088
 2004-06-09 06:15:21 +00:00