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9108 Commits

Author SHA1 Message Date
Andrew Lenharth
8a3a14d343 fix ExprMap, partially teach about add long 
llvm-svn: 19882
 2005-01-28 23:17:54 +00:00
Chris Lattner
f893f17907 Fix a nasty thinko in my previous commit. 
llvm-svn: 19881
 2005-01-28 23:17:27 +00:00
Chris Lattner
2755fb4171 Alpha doesn't have a native f32 extload instruction. 
llvm-svn: 19880
 2005-01-28 22:58:25 +00:00
Chris Lattner
da7b5277c1 implement legalization of truncates whose results and sources need to be 
truncated, e.g. (truncate:i8 something:i16) on a 32 or 64-bit RISC.

llvm-svn: 19879
 2005-01-28 22:52:50 +00:00
Chris Lattner
89cac82479 Get alpha working with memset/memcpy/memmove 
llvm-svn: 19878
 2005-01-28 22:29:18 +00:00
Chris Lattner
b035ec4a9c * add some DEBUG statements 
* Properly compile this:

struct a {};
int test() {
  struct a b[2];
  if (&b[0] != &b[1])
    abort ();
  return 0;
}

to 'return 0', not abort().

llvm-svn: 19875
 2005-01-28 19:32:01 +00:00
Chris Lattner
f24ea9cf5e Fix ConstProp/2005-01-28-SetCCGEP.ll: indexing over zero sized elements does 
not change the address.

llvm-svn: 19874
 2005-01-28 19:09:51 +00:00
Andrew Lenharth
9db35b0763 fix ExprMap and constant check in setcc 
llvm-svn: 19870
 2005-01-28 14:06:46 +00:00
Andrew Lenharth
4cfda09ee9 move FP into it's own select 
llvm-svn: 19867
 2005-01-28 06:57:18 +00:00
Chris Lattner
4134789c8f CopyFromReg produces two values. Make sure that we remember that both are 
legalized, and actually return the correct result when we legalize the chain first.

llvm-svn: 19866
 2005-01-28 06:27:38 +00:00
Chris Lattner
fadcc07232 Remove this code as it is currently completely broken and unmaintained. 
If needed, this can be resurrected from CVS.

Note that several of the interfaces (e.g. the IPModRef ones) are supersumed
by generic AliasAnalysis interfaces that have been written since this code
was developed (and they are not DSA specific).

llvm-svn: 19864
 2005-01-28 06:12:46 +00:00
Jeff Cohen
df055196d4 Properly close mapped files. 
llvm-svn: 19863
 2005-01-28 01:17:07 +00:00
Andrew Lenharth
c0cd77a1a0 stack frame fix and zero FP reg fix 
llvm-svn: 19857
 2005-01-27 08:31:19 +00:00
Andrew Lenharth
55eadc4772 Floating point instructions like Floating point registers 
llvm-svn: 19856
 2005-01-27 07:58:15 +00:00
Andrew Lenharth
67328d7fac int to float conversion and another setcc 
llvm-svn: 19855
 2005-01-27 07:50:35 +00:00
Misha Brukman
b0fce1668a Fix grammar 
llvm-svn: 19854
 2005-01-27 06:46:38 +00:00
Andrew Lenharth
4283bf1216 teach isel about comparison with constants and zero extending bits 
llvm-svn: 19853
 2005-01-27 03:49:45 +00:00
Jeff Cohen
1502dd24d9 Fix some Path bugs 
llvm-svn: 19852
 2005-01-27 03:49:03 +00:00
Andrew Lenharth
b539dd2c83 perhaps this will let me have calls again 
llvm-svn: 19851
 2005-01-27 01:22:48 +00:00
Andrew Lenharth
227bc0e21a minor bug fix 
llvm-svn: 19850
 2005-01-27 00:52:26 +00:00
Andrew Lenharth
ae8ce1856a minor bug fix 
llvm-svn: 19849
 2005-01-27 00:51:05 +00:00
Andrew Lenharth
11fc660a34 added instructions for fp to int to fp moves 
llvm-svn: 19848
 2005-01-26 23:56:48 +00:00
Andrew Lenharth
1f0b710fb6 initial fp support 
llvm-svn: 19847
 2005-01-26 21:54:09 +00:00
Andrew Lenharth
f9f01c190b hum, writing on one machine, testing on another... 
llvm-svn: 19844
 2005-01-26 02:53:56 +00:00
Andrew Lenharth
53ad9ac1db add some operations, fix others. should compile several more tests now 
llvm-svn: 19843
 2005-01-26 01:24:38 +00:00
Chris Lattner
ab92b92bc5 We can fold promoted and non-promoted loads into divs also! 
llvm-svn: 19835
 2005-01-25 20:35:10 +00:00
Chris Lattner
a9a0369879 Fold promoted loads into binary ops for FP, allowing us to generate m32 forms 
of FP ops.

llvm-svn: 19834
 2005-01-25 20:03:11 +00:00
Andrew Lenharth
4e10c17eeb problems with bools, and their work arounds 
llvm-svn: 19833
 2005-01-25 19:58:40 +00:00
Alkis Evlogimenos
eb6bfe9cee Add a dependency to the trace library so that it gets pulled in 
automatically.

llvm-svn: 19828
 2005-01-25 16:23:57 +00:00
Andrew Lenharth
3ae267eb3b more load choices, better add with imm 
llvm-svn: 19821
 2005-01-25 00:35:34 +00:00
Chris Lattner
f03b87704f Make -ds-aa more useful, allowing it to be updated as xforms hack on the program. 
llvm-svn: 19818
 2005-01-24 20:00:14 +00:00
Andrew Lenharth
3b44cfa26d Clean ups, and taught the instruction selector about immediate forms 
llvm-svn: 19816
 2005-01-24 19:44:07 +00:00
Andrew Lenharth
3c6e50e63b Alpha JIT prune 
llvm-svn: 19815
 2005-01-24 18:48:22 +00:00
Andrew Lenharth
ae874f0d85 include prune and JIT prune 
llvm-svn: 19814
 2005-01-24 18:45:41 +00:00
Andrew Lenharth
e3991f8256 Pruned includes 
llvm-svn: 19813
 2005-01-24 18:37:48 +00:00
Chris Lattner
88a4c43e67 Fix a spurious warning. 
llvm-svn: 19799
 2005-01-24 01:40:18 +00:00
Chris Lattner
6ff85c3152 Silence a warning. 
llvm-svn: 19798
 2005-01-23 23:20:06 +00:00
Chris Lattner
849899e193 Silence optimized warnings. 
llvm-svn: 19797
 2005-01-23 23:19:44 +00:00
Chris Lattner
94952e0947 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... ;-)

llvm-svn: 19796
 2005-01-23 23:13:59 +00:00
Chris Lattner
65fc8007cd 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.

llvm-svn: 19795
 2005-01-23 23:13:12 +00:00
Chris Lattner
556679b89d Update physregsused info. 
llvm-svn: 19793
 2005-01-23 22:55:45 +00:00
Chris Lattner
cc22be2981 Update this pass to set PhysRegsUsed info in MachineFunction. 
llvm-svn: 19792
 2005-01-23 22:51:56 +00:00
Chris Lattner
964297fc32 Update these register allocators to set the PhysRegUsed info in MachineFunction. 
llvm-svn: 19791
 2005-01-23 22:45:13 +00:00
Chris Lattner
6a6d5cf9eb Add support for the PhysRegsUsed array. 
llvm-svn: 19789
 2005-01-23 22:13:58 +00:00
Chris Lattner
c187b917f2 Speed this up a bit by making ModifiedRegs a vector<char> not vector<bool> 
llvm-svn: 19787
 2005-01-23 21:45:01 +00:00
Chris Lattner
ab2ab313d3 Get rid of a several dozen more and instructions in specint. 
llvm-svn: 19786
 2005-01-23 20:26:55 +00:00
Chris Lattner
ab1804175d Fix crash comparing empty file against nonempty file. 
llvm-svn: 19782
 2005-01-23 06:02:40 +00:00
Chris Lattner
b3a5fc3ec0 Adjust to changes in SelectionDAG interfaces 
The first half of correct chain insertion for libcalls. This is not enough
to fix Fhourstones yet though.

llvm-svn: 19781
 2005-01-23 04:42:50 +00:00
Chris Lattner
3165569ba9 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

llvm-svn: 19780
 2005-01-23 04:39:44 +00:00
Chris Lattner
4c997d281c Adjust to changes in SelectionDAG interface. 
llvm-svn: 19779
 2005-01-23 04:36:26 +00:00