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9161 Commits

Author SHA1 Message Date
Chris Lattner
bb4dca3286 Fix a spurious warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19799 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 01:40:18 +00:00
Chris Lattner
0a07883694 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19798 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 23:20:06 +00:00
Chris Lattner
fed5577066 Silence optimized warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19797 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 23:19:44 +00:00
Chris Lattner
42e25b387f Allow the FP stackifier to completely ignore functions that do not use FP at 
all.  This should speed up the X86 backend fairly significantly on integer
codes.  Now if only we didn't have to compute livevar still... ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19796 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 23:13:59 +00:00
Chris Lattner
3563015b0d Simplify/speedup the PEI by not having to scan for uses of the callee saved 
registers.  This information is computed directly by the register allocator
now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19795 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 23:13:12 +00:00
Chris Lattner
786116337e Update physregsused info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19793 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 22:55:45 +00:00
Chris Lattner
0648b16c48 Update this pass to set PhysRegsUsed info in MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19792 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 22:51:56 +00:00
Chris Lattner
b0f31bf19b Update these register allocators to set the PhysRegUsed info in MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19791 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 22:45:13 +00:00
Chris Lattner
ce9c41e77a Add support for the PhysRegsUsed array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19789 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 22:13:58 +00:00
Chris Lattner
92b9fcea7b Speed this up a bit by making ModifiedRegs a vector<char> not vector<bool> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19787 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 21:45:01 +00:00
Chris Lattner
ad1e302723 Get rid of a several dozen more and instructions in specint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19786 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 20:26:55 +00:00
Chris Lattner
da7e70e058 Fix crash comparing empty file against nonempty file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19782 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 06:02:40 +00:00
Chris Lattner
9c32d3b798 Adjust to changes in SelectionDAG interfaces 
The first half of correct chain insertion for libcalls. This is not enough
to fix Fhourstones yet though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19781 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 04:42:50 +00:00
Chris Lattner
b48da39536 Remove the 3 HACK HACK HACKs I put in before, fixing them properly with 
the new TLI that is available.

Implement support for handling out of range shifts.  This allows us to
compile this code (a 64-bit rotate):

unsigned long long f3(unsigned long long x) {
  return (x << 32) | (x >> (64-32));
}

into this:

f3:
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP + 8]
        ret

GCC produces this:

$ gcc t.c -masm=intel -O3 -S -o - -fomit-frame-pointer
..
f3:
        push    %ebx
        mov     %ebx, DWORD PTR [%esp+12]
        mov     %ecx, DWORD PTR [%esp+8]
        mov     %eax, %ebx
        mov     %edx, %ecx
        pop     %ebx
        ret

The Simple ISEL produces (eww gross):

f3:
        sub %ESP, 4
        mov DWORD PTR [%ESP], %ESI
        mov %EDX, DWORD PTR [%ESP + 8]
        mov %ECX, DWORD PTR [%ESP + 12]
        mov %EAX, 0
        mov %ESI, 0
        or %EAX, %ECX
        or %EDX, %ESI
        mov %ESI, DWORD PTR [%ESP]
        add %ESP, 4
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19780 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 04:39:44 +00:00
Chris Lattner
ac9dc08c7f Adjust to changes in SelectionDAG interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19779 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 04:36:26 +00:00
Chris Lattner
1fefef1b27 Build Alpha by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19777 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 04:34:46 +00:00
Reid Spencer
a8411a698e Fix alloca support for Cygwin. On cygwin its __alloca not __builtin_alloca 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19776 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 04:32:47 +00:00
Reid Spencer
5dc81f63d1 Support Cygwin assembly generation. The cygwin version of Gnu ASsembler 
doesn't support certain directives and symbols on cygwin are prefixed with
an underscore. This patch makes the necessary adjustments to the output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19775 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 03:52:14 +00:00
Chris Lattner
cc1b90b0e7 Make DiffFilesWithTolerance take sys::Path's instead of std::strings 
Delete dead functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19771 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 03:31:02 +00:00
Chris Lattner
c95b5604e0 Fix a bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19769 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 03:19:13 +00:00
Chris Lattner
4454253923 Add a new method, refactored out of fpcmp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19766 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 03:13:43 +00:00
Andrew Lenharth
304d0f3076 Let me introduce you to the early stages of the llvm backend for the alpha processor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19764 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 23:41:55 +00:00
Chris Lattner
68cd65ea68 Get this to work for 64-bit systems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19763 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 23:04:37 +00:00
Jeff Cohen
5fb6ed4ae6 Use binary mode for reading/writing bytecode files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19751 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 17:36:17 +00:00
Jeff Cohen
c690cc0465 Fix destroyDirectory bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19746 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 16:28:33 +00:00
Chris Lattner
5037a15910 Implicitly defined registers can clobber callee saved registers too! 
This fixes the return-address-not-being-saved problem in the Alpha backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19741 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 00:49:16 +00:00
Chris Lattner
7cd50cf286 More bugfixes for IA64 shifts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19739 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 00:33:03 +00:00
Chris Lattner
27ff112948 Fix problems with non-x86 targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19738 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 00:31:52 +00:00
Chris Lattner
a7306db5f7 Add a nasty hack to fix Alpha/IA64 multiplies by a power of two. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19737 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 00:20:42 +00:00
Chris Lattner
9bb86f46e1 Remove unneeded line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19736 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 23:43:12 +00:00
Chris Lattner
1e7ceaf0a0 test commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19735 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 23:38:56 +00:00
Chris Lattner
45f57b8ee3 Handle comparisons of gep instructions that have different typed indices 
as long as they are the same size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19734 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 23:06:49 +00:00
Chris Lattner
fb0f53f9c1 Speed up folding operations into loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19733 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 21:43:02 +00:00
Chris Lattner
67b1c3c404 The ever-important vanity pass name :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19731 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 21:35:14 +00:00
Chris Lattner
4e7dd8f7c4 If the interpreter tries to execute an external function, kill it. Of course 
since we are dirty, special case __main.  This should fix the infinite loop
horrible stuff that happens on linux-alpha when configuring llvm-gcc.  It
might also help cygwin, who knows??


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19729 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 19:59:37 +00:00
Chris Lattner
b62e1e296e Fix a FIXME: realize that argument stores are all independent (don't alias) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19728 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 19:46:38 +00:00
Chris Lattner
a93ec3ebfb Unary token factor nodes are unneeded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19727 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 18:01:22 +00:00
Chris Lattner
77e77a6aa0 Refactor libcall code a bit. Initial implementation of expanding int -> FP 
operations for 64-bit integers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19724 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 06:05:23 +00:00
Chris Lattner
e5544f851a Simplify the shift-expansion code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19721 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 20:29:23 +00:00
Chris Lattner
19ad0620bc Implement ADD_PARTS/SUB_PARTS so that 64-bit integer add/sub work. This 
fixes most of the remaining llc-beta failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19716 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 18:53:00 +00:00
Chris Lattner
84f6788044 Expand add/sub into ADD_PARTS/SUB_PARTS instead of a non-existant libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19715 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 18:52:28 +00:00
Chris Lattner
17eee18f40 implement add_parts/sub_parts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19714 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 18:50:55 +00:00
Chris Lattner
353c3e4981 Add missing entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19712 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 17:32:28 +00:00
Chris Lattner
bf52d49f36 Fix a crash compiling 134.perl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19711 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 16:50:16 +00:00
Chris Lattner
2c49f27955 Support targets that do not use i8 shift amounts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19707 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 22:31:21 +00:00
Chris Lattner
6fb5a4a5f8 Add two optimizations. The first folds (X+Y)-X -> Y 
The second folds operations into selects, e.g. (select C, (X+Y), (Y+Z))
-> (Y+(select C, X, Z)

This occurs a few times across spec, e.g.

         select    add/sub
mesa:    83        0
povray:  5         2
gcc      4         2
parser   0         22
perlbmk  13        30
twolf    0         3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19706 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 21:50:18 +00:00
Chris Lattner
3ca6a2c72c Add an assertion that would have made more sense to duraid 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19704 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 21:32:07 +00:00
Chris Lattner
3d9dffc586 Add support for targets that pass args in registers to calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19703 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 20:24:35 +00:00
Chris Lattner
1e81b9e511 Fold single use token factor nodes into other token factor nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19701 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 19:10:54 +00:00
Chris Lattner
ec39a45bdb Realize the individual pieces of an expanded copytoreg/store/load are 
independent of each other.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19700 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-19 18:02:17 +00:00