A complex, expensive heuristic with little value in the current design.

llvm-svn: 184132

llvm-svn: 184131

llvm-svn: 184130

This eliminates the MultiPressure scheduling "reason". It was
sensitive to queue order. We don't like being sensitive to queue
order.

llvm-svn: 184129

llvm-svn: 184128

llvm-svn: 184127

llvm-svn: 184126

caused the IR interpreter not to work if the
process had finished running.

<rdar://problem/14124301>

llvm-svn: 184125

Extract atom definitions as Atoms.h so that we can use them in other files.
Also applied clang-format to Atoms.h.

Reviewers: shankarke

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D995

llvm-svn: 184124

llvm-svn: 184123

llvm-svn: 184122

llvm-svn: 184121

llvm-svn: 184120

This ports a missing feature from PathV1.h. I am not sure how to test this
with the regular infrastructure, but an Apple bot should check this when
r183985 is reapplied.

llvm-svn: 184119

llvm-svn: 184118

llvm-svn: 184117

Fixes rv7x0 bug in Heaven reported here:
https://bugs.freedesktop.org/show_bug.cgi?id=64257

llvm-svn: 184116

llvm-svn: 184115

With this patch we assign VisibleNoLinkage to static locals in inline functions.
This lets us simplify CodeGen a bit.

llvm-svn: 184114

llvm-svn: 184113

always substract 1 from the top pc
this allows to get correct stacks with -O2

llvm-svn: 184112

This reverts commit r183985.

We were missing the checks for not deleting things like /dev/null.

llvm-svn: 184111

These intrinsics should return the comparision result in the low bits and keep 
the high bits of the first source operand.

When calling to builtin functions, the source operands are swapped and the high
bits of the second source operand are kept. To fix the issue, an extra
shufflevector is used.

rdar://14153896

llvm-svn: 184110

llvm-svn: 184109

This reverts commit r184100.

It was faling on some bots:
http://bb.pgr.jp/builders/cmake-clang-i686-mingw32/builds/1973/steps/test_clang/logs/Clang%20%3A%3A%20SemaCXX__cxx1y-contextual-conversion-tweaks.cpp

llvm-svn: 184108

llvm-svn: 184107

llvm-svn: 184106

The main advantages here are way better heuristics, taking into account not
just loop depth but also __builtin_expect and other static heuristics and will
eventually learn how to use profile info. Most of the work in this patch is
pushing the MachineBlockFrequencyInfo analysis into the right places.

This is good for a 5% speedup on zlib's deflate (x86_64), there were some very
unfortunate spilling decisions in its hottest loop in longest_match(). Other
benchmarks I tried were mostly neutral.

This changes register allocation in subtle ways, update the tests for it.
2012-02-20-MachineCPBug.ll was deleted as it's very fragile and the instruction
it looked for was gone already (but the FileCheck pattern picked up unrelated
stuff).

llvm-svn: 184105

llvm-svn: 184104

vectorizing loops with memory accesses to non-zero address spaces. It
simply dropped the AS info. Fixes PR16306.

llvm-svn: 184103

llvm-svn: 184102

This is the first patch toward full DLL support. With this patch, lld can
read .lib file for a DLL.

Reviewers: Bigcheese

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D987

llvm-svn: 184101

llvm-svn: 184100

llvm-svn: 184099

To better support per-translation unit replacements, any real work is being
moved out of ActionFactory and into Transform. In this revision, that means
file override application.

For simplification, Transform no longer inherits from SourceFileCallbacks.
TransformTest required updating as a result.

llvm-svn: 184098

llvm-svn: 184097

triggers an error on MS targets where __SIZE_TYPE__ expands to 'long long'.

llvm-svn: 184096

This patch also adds a simpler version of sys::fs::remove and a tool_output_file
constructor for when we already have an open file.

llvm-svn: 184095

llvm-svn: 184094

llvm-svn: 184093