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9194 Commits

Author SHA1 Message Date
Chris Lattner
99939d39c9 Alpha doesn't have a native f32 extload instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19880 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 22:58:25 +00:00
Chris Lattner
e76ad6de40 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19879 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 22:52:50 +00:00
Chris Lattner
e560521f1a Get alpha working with memset/memcpy/memmove 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19878 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 22:29:18 +00:00
Chris Lattner
ad5fec12a0 * 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().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19875 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 19:32:01 +00:00
Chris Lattner
ce04a6d7f6 Fix ConstProp/2005-01-28-SetCCGEP.ll: indexing over zero sized elements does 
not change the address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19874 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 19:09:51 +00:00
Andrew Lenharth
6b9870abce fix ExprMap and constant check in setcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19870 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 14:06:46 +00:00
Andrew Lenharth
40831c5e0e move FP into it's own select 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19867 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 06:57:18 +00:00
Chris Lattner
13c184de29 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19866 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 06:27:38 +00:00
Chris Lattner
9cb992ab72 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19864 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 06:12:46 +00:00
Jeff Cohen
d19d89a04c Properly close mapped files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19863 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-28 01:17:07 +00:00
Andrew Lenharth
04c868ef50 stack frame fix and zero FP reg fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19857 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 08:31:19 +00:00
Andrew Lenharth
10b400705d Floating point instructions like Floating point registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19856 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 07:58:15 +00:00
Andrew Lenharth
d2bb960d8c int to float conversion and another setcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19855 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 07:50:35 +00:00
Misha Brukman
1bae291cb9 Fix grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19854 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 06:46:38 +00:00
Andrew Lenharth
3d65d31e20 teach isel about comparison with constants and zero extending bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19853 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 03:49:45 +00:00
Jeff Cohen
9437bb6d27 Fix some Path bugs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19852 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 03:49:03 +00:00
Andrew Lenharth
7e57bd518e perhaps this will let me have calls again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19851 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 01:22:48 +00:00
Andrew Lenharth
c0d502e20f minor bug fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19850 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 00:52:26 +00:00
Andrew Lenharth
51d3ab4ad4 minor bug fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19849 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-27 00:51:05 +00:00
Andrew Lenharth
98a32d09f3 added instructions for fp to int to fp moves 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19848 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-26 23:56:48 +00:00
Andrew Lenharth
3e98fde96b initial fp support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19847 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-26 21:54:09 +00:00
Andrew Lenharth
fc16691925 hum, writing on one machine, testing on another... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19844 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-26 02:53:56 +00:00
Andrew Lenharth
0298118cbb add some operations, fix others. should compile several more tests now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19843 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-26 01:24:38 +00:00
Chris Lattner
3576c84baf We can fold promoted and non-promoted loads into divs also! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19835 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-25 20:35:10 +00:00
Chris Lattner
44129b5b68 Fold promoted loads into binary ops for FP, allowing us to generate m32 forms 
of FP ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19834 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-25 20:03:11 +00:00
Andrew Lenharth
d279b4157a problems with bools, and their work arounds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19833 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-25 19:58:40 +00:00
Alkis Evlogimenos
193904a663 Add a dependency to the trace library so that it gets pulled in 
automatically.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19828 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-25 16:23:57 +00:00
Andrew Lenharth
2f8fb77297 more load choices, better add with imm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19821 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-25 00:35:34 +00:00
Chris Lattner
851b534b89 Make -ds-aa more useful, allowing it to be updated as xforms hack on the program. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19818 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 20:00:14 +00:00
Andrew Lenharth
2d6f022a98 Clean ups, and taught the instruction selector about immediate forms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19816 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 19:44:07 +00:00
Andrew Lenharth
a7246caf8f Alpha JIT prune 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19815 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 18:48:22 +00:00
Andrew Lenharth
886470efec include prune and JIT prune 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19814 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 18:45:41 +00:00
Andrew Lenharth
01269524ce Pruned includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19813 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-24 18:37:48 +00:00
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