Jakob Stoklund Olesen c66d0f2a93 Allow a register to be redefined multiple times in a basic block. ... LiveVariableAnalysis was a bit picky about a register only being redefined once, but that really isn't necessary. Here is an example of chained INSERT_SUBREGs that we can handle now: 68 %reg1040<def> = INSERT_SUBREG %reg1040, %reg1028<kill>, 14 register: %reg1040 +[70,134:0) 76 %reg1040<def> = INSERT_SUBREG %reg1040, %reg1029<kill>, 13 register: %reg1040 replace range with [70,78:1) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,134:0) 0@78-(134) 1@70-(78) 84 %reg1040<def> = INSERT_SUBREG %reg1040, %reg1030<kill>, 12 register: %reg1040 replace range with [78,86:2) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,86:2)[86,134:0) 0@86-(134) 1@70-(78) 2@78-(86) 92 %reg1040<def> = INSERT_SUBREG %reg1040, %reg1031<kill>, 11 register: %reg1040 replace range with [86,94:3) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,86:2)[86,94:3)[94,134:0) 0@94-(134) 1@70-(78) 2@78-(86) 3@86-(94) rdar://problem/8096390 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106152 91177308-0d34-0410-b5e6-96231b3b80d8		2010-06-16 21:29:40 +00:00
..
Analysis	A few more places where SCEVExpander bits need to skip over debug intrinsics	2010-06-16 21:13:38 +00:00
Archive	Eliminate some unnessary Path::exists() calls.	2010-05-27 20:51:54 +00:00
AsmParser	Eliminate the restriction that the array size in an alloca must be i32.	2010-05-28 01:14:11 +00:00
Bitcode	Speedup bitcode writer. Do not walk all values for all functions to emit function local metadata. In one testcase, probably worst case scenario, the 70x speed up is seen.	2010-06-02 23:05:04 +00:00
CodeGen	Allow a register to be redefined multiple times in a basic block.	2010-06-16 21:29:40 +00:00
CompilerDriver	Print a space after the colon.	2010-05-20 21:11:37 +00:00
ExecutionEngine	improve portability to systems that don't have powf/modf (e.g. solaris 9)	2010-05-15 17:10:24 +00:00
Linker	Add basic error checking to MemoryBuffer::getSTDIN.	2010-05-27 17:31:51 +00:00
MC	MC/Mach-O: Rewrite atom association to be a final pass we do in Finish(), instead of tracking as part of emission.	2010-06-16 20:04:32 +00:00
Support	fpcmp: Fix bug where fpcmp wouldn't early exit when files obviously differ and	2010-06-15 19:20:30 +00:00
System	Avoid "variable 'bits' set but not used [-Wunused-but-set-variable]"	2010-06-10 16:23:15 +00:00
Target	TODO--	2010-06-16 15:47:00 +00:00
Transforms	Make sure that simplify libcalls does not replace a call with one calling	2010-06-16 19:34:01 +00:00
VMCore	Use separate named MDNode to hold each function's local variable info.	2010-06-16 00:53:55 +00:00
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