llvm-svn: 134112

that dominates the given Use.

llvm-svn: 134111

llvm-svn: 134110

already makes the assumption, which is correct on ARM, that a type's alignment is
less than its alloc size. This improves codegen with Clang (which inserts a lot of
extraneous alignment specifiers) and fixes <rdar://problem/9695089>.

llvm-svn: 134106

They've been pseudos for a while now, so the decoder will never see
them in the first place.

llvm-svn: 134101

llvm-svn: 134100

Part of rdar://9643582

llvm-svn: 134095

llvm-svn: 134094

llvm-svn: 134093

The tSpill and tRestore instructions are just copies of the tSTRspi and
tLDRspi instructions, respectively. Just use those directly instead.

llvm-svn: 134092

llvm-svn: 134089

getRegForInlineAsmConstraint.

Part of rdar://9643582

llvm-svn: 134088

llvm-svn: 134087

creating a few specific register classes.

Part of rdar://9643582

llvm-svn: 134086

for the port.

Part of rdar://9643582

llvm-svn: 134085

Part of rdar://9643582

llvm-svn: 134084

Part of rdar://9643582

llvm-svn: 134083

getRegForInlineAsmConstraint.

Part of rdar://9643582

llvm-svn: 134080

via vectors.

Part of rdar://9643582

llvm-svn: 134079

llvm-svn: 134078

lifetime intrinsics" due to buildbot failures.

llvm-svn: 134071

For example, ".byte 256" would previously assert() when emitting an object
file. Now it generates a diagnostic that the literal value is out of range.

rdar://9686950

llvm-svn: 134069

llvm-svn: 134068

llvm-svn: 134067

Change AsmName's type from StringRef to std::string. AsmName was pointing to a temporary string object that was destroyed. This is undefined behavior and MSVC didn't like it.

This fixes over 300+ failing tests on MSVC.
Credit for this fix goes to chapuni.

llvm-svn: 134064

llvm-svn: 134057

llvm-svn: 134055

mean they can be removed.

llvm-svn: 134054

miscompile.

llvm-svn: 134053

llvm-svn: 134049

llvm-svn: 134048

This function has to deal with a lot of special cases, and the old
version got it wrong sometimes. In particular, it would sometimes leave
multiple uses in the stack interval in a single block. That causes bad
code with multiple reloads in the same basic block.

The new version handles block entry and exit in a single pass. It first
eliminates all the easy cases, and then goes on to create a local
interval for the blocks with difficult interference. Previously, we
would only create the local interval for completely isolated blocks.

It can happen that the stack interval becomes completely empty because
we could allocate a register in all edge bundles, and the new local
intervals deal with the interference. The empty stack interval is
harmless, but we need to remove a SplitKit assertion that checks for
empty intervals.

llvm-svn: 134047

llvm-svn: 134036

llvm-svn: 134033

llvm-svn: 134031

llvm-svn: 134030

llvm-svn: 134027

llvm-svn: 134026

llvm-svn: 134024

sink them into MC layer.
- Added MCInstrInfo, which captures the tablegen generated static data. Chang
TargetInstrInfo so it's based off MCInstrInfo.

llvm-svn: 134021