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llvm-mirror/lib
Jakob Stoklund Olesen da28d31f03 Mark ultra-super-registers QQQQ as call-clobbered instead of the D sub-registers.
LiveVariables doesn't understand that clobbering D0 and D1 completely overwrites
Q0, so if Q0 is live-in to a function, its live range will extend beyond a
function call that only clobbers D0 and D1. This shows up in the
ARM/2009-11-01-NeonMoves test case.

LiveVariables should probably implement the much stricter rules for physreg
liveness that RAFast imposes - a physreg is killed by the first use of any
alias.

llvm-svn: 130801
2011-05-03 22:31:24 +00:00
..
Analysis Implement some basic simplifications involving min/max, for example 2011-05-03 19:53:10 +00:00
Archive Revert PathV2 changes, as sys::fs::unique_file is not finished yet. 2011-03-01 19:50:55 +00:00
AsmParser Remove unused variables caught by GCC's -Wunused-but-set-variable. 2011-05-03 16:00:27 +00:00
Bitcode PR9214: Convert Metadata API to use ArrayRef. 2011-04-21 19:59:31 +00:00
CodeGen Even if the subprogram is going to use AT_specification, emit DW_AT_MIPS_linkage_name. This helps gdb and fixes var-path-expr.exp regression reported by gdb testsuite. 2011-05-03 21:50:34 +00:00
CompilerDriver Build CompilerDriver library. 2011-03-12 22:01:42 +00:00
ExecutionEngine Fix a C++0x portability issue with std::make_pair. Explicitly providing template arguments no longer works when the call arguments are lvalues. 2011-04-29 16:57:12 +00:00
Linker Set the unnamed_addr only when we're creating a new GV in the dest module. 2011-03-29 23:31:06 +00:00
MC MCDwarf: Don't save Twine to local variable, this is almost never safe to do 2011-05-03 21:33:37 +00:00
Object Remove dead variable pointed out by GCC 4.6 warnings, and reflow this a little 2011-05-02 05:05:29 +00:00
Support In option typo correction, consider -foo=VALUE flags as two distinct parts. The 2011-05-02 05:24:47 +00:00
Target Mark ultra-super-registers QQQQ as call-clobbered instead of the D sub-registers. 2011-05-03 22:31:24 +00:00
Transforms indvars: Added canExpandBackEdgeTakenCount. 2011-05-03 22:24:10 +00:00
VMCore Replace the "movnt" intrinsics with a native store + nontemporal metadata bit. 2011-05-03 21:11:17 +00:00
CMakeLists.txt Build CompilerDriver library. 2011-03-12 22:01:42 +00:00
Makefile Add LLVMObject Library. 2010-11-15 03:21:41 +00:00