Chris Lattner 986618ebc7 Only insert FP_REG_KILL instructions in MachineBasicBlocks that actually ... use FP instructions. This reduces the number of instructions inserted in 176.gcc (for example) from 58074 to 101 (it doesn't use much FP, which is typical). This reduction speeds up the entire code generator. In the case of 176.gcc, llc went from taking 31.38s to 24.78s. The passes that sped up the most are the register allocator and the 2 live variable analysis passes, which sped up 2.3, 1.3, and 1.5s respectively. The asmprinter pass also sped up because it doesn't print the instructions in comments :) Note that this patch is likely to expose latent bugs in machine code passes, because now basicblock can be empty, where they were never empty before. I cleaned out regalloclocal, but who knows about linscan :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11717 91177308-0d34-0410-b5e6-96231b3b80d8		2004-02-22 19:47:26 +00:00
..
Analysis	Fix a soon-to-be-missing #include	2004-02-22 06:26:17 +00:00
Archive	* finegrainify namespacification of ArchiveReader.cpp	2004-01-10 19:00:15 +00:00
AsmParser	It turns out that the two dimensional vectors were causing big slowdowns	2004-02-09 21:03:38 +00:00
Bytecode	Adjustments to support the new ConstantAggregateZero class	2004-02-15 05:55:15 +00:00
CodeGen	Another bug fix for empty MBB's	2004-02-22 19:37:31 +00:00
Debugger	"fix" a nasty race condition	2004-01-14 21:18:03 +00:00
ExecutionEngine	Make the JIT zero out globals with memset instead of an element at a time. This	2004-02-15 05:54:06 +00:00
Linker	Fix PR245: Linking weak and strong global variables is dependent on link order	2004-02-17 21:56:04 +00:00
Support	`cat' is usually in /bin, not /usr/bin, at least on our systems.	2004-02-21 21:51:41 +00:00
Target	Only insert FP_REG_KILL instructions in MachineBasicBlocks that actually	2004-02-22 19:47:26 +00:00
Transforms	Implement Transforms/InstCombine/cast.ll:test13, a case which occurs in a	2004-02-22 05:25:17 +00:00
VMCore	Get all instruction definitions	2004-02-22 06:25:38 +00:00
Makefile	CBackend is no longer here	2004-02-13 23:29:37 +00:00