this. XFAIL'd, because the COFF AsmParser can't handle .section yet.

llvm-svn: 132220

code in one place. Re-apply 131534 and fix the multi-step promotion of integers.

llvm-svn: 132217

Keep this simple. Use DIType to get signness and size of a type. Based on size, select appropraite form.

llvm-svn: 132206

This fixes regressions reported by buildbots as a fallout of r132193.

llvm-svn: 132197

llvm-svn: 132193

llvm-svn: 132181

llvm-svn: 132149

llvm-svn: 132148

assert that prevented setting alignment on section creation.

llvm-svn: 132113

llvm-svn: 132111

llvm-svn: 132108

rdar://problem/6920088

llvm-svn: 132105

This doesn't change functionality (much), but it allows for a more fine-grained
eviction policy. The current policy only compares spill weights, and that is not
always the best thing to do.  Spill weights are designed to serve linear scan,
and they don't consider live range splitting.

Add a mechanism so canEvict() can request that a live range be evicted and
split/spilled. This is to avoid infinite eviction loops.

llvm-svn: 132101

Rewrite fast-isel integer cast handling to handle more cases, and to be simpler and more consistent.

The practical effects here are that x86-64 fast-isel can now handle trunc from i8 to i1, and ARM fast-isel can handle many more constructs involving integers narrower than 32 bits (including loads, stores, and many integer casts).

rdar://9437928 .

llvm-svn: 132099

llvm-svn: 132087

LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.

llvm-svn: 132033

llvm-svn: 131974

llvm-svn: 131952

llvm-svn: 131951

  non-zero.
- Teach X86 cmov optimization to eliminate the cmov from ctlz, cttz extension
  when the source of X86ISD::BSR / X86ISD::BSF is proven to be non-zero.

rdar://9490949

llvm-svn: 131948

llvm-svn: 131940

llvm-svn: 131936

llvm-svn: 131926

Patch by Micah Villmow

llvm-svn: 131908

llvm-svn: 131907

when we're just going to throw the result away.  No functionality change.

llvm-svn: 131880

should eventually convert to PMBuilder, but I don't plan to do this.

llvm-svn: 131819

llvm-svn: 131800

actually fixes most of the VerifyCoalescing failures in test-suite.

llvm-svn: 131768

llvm-svn: 131765

llvm-svn: 131763

llvm-svn: 131760

llvm-svn: 131757

llvm-svn: 131756

the phikill flag.

llvm-svn: 131717

similarly for stores. Now "make check" passes with the MachineVerifier forced
on with the VerifyCoalescing option!

llvm-svn: 131705

llvm-svn: 131663

on CodeGen/X86/2007-05-07-InvokeSRet.ll. There is probably a bug here that was
fixed by r128961, but since there is no test or reference to a source file I have
to revert it.

llvm-svn: 131618

Original log entry:
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.

llvm-svn: 131536

code in one place.

llvm-svn: 131534