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14 Commits

Author SHA1 Message Date
Benjamin Kramer
23f676e21d Revert "Give internal classes hidden visibility." 
It works with clang, but GCC has different rules so we can't make all of those
hidden. This reverts commit r190534.

llvm-svn: 190536
 2013-09-11 18:05:11 +00:00
Benjamin Kramer
386bd314a1 Give internal classes hidden visibility. 
Worth 100k on a linux/x86_64 Release+Asserts clang.

llvm-svn: 190534
 2013-09-11 17:42:27 +00:00
Chandler Carruth
a98c778194 Sort includes for all of the .h files under the 'lib' tree. These were 
missed in the first pass because the script didn't yet handle include
guards.

Note that the script is now able to handle all of these headers without
manual edits. =]

llvm-svn: 169224
 2012-12-04 07:12:27 +00:00
Devang Patel
d63bce18da Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
This time with a fix that avoids using invalidated DenseMap iterator.

llvm-svn: 125984
 2011-02-18 22:43:42 +00:00
Cameron Zwarich
f6fa19a03f Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure. 
llvm-svn: 125830
 2011-02-18 04:58:10 +00:00
Devang Patel
b6f55191b3 Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
llvm-svn: 125794
 2011-02-17 23:33:27 +00:00
Devang Patel
134e5b7679 Provide an interface to transfer SDDbgValue from one SDNode to another. 
llvm-svn: 124245
 2011-01-25 23:27:42 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Dan Gohman
0e0b8cf9fd Add const qualifiers to CodeGen's use of LLVM IR constructs. 
llvm-svn: 101334
 2010-04-15 01:51:59 +00:00
Benjamin Kramer
88e421e531 Fix anachronism. 
llvm-svn: 100225
 2010-04-02 20:47:05 +00:00
Chris Lattner
9da2b8a955 fix the llvm-x86_64-linux buildbot. 
llvm-svn: 100223
 2010-04-02 20:36:25 +00:00
Evan Cheng
0917f4a575 Make sure SDDbgValue.Invalid is initialized to false by all the constructors. 
llvm-svn: 99487
 2010-03-25 05:50:26 +00:00
Evan Cheng
abefdb6d68 Change how dbg_value sdnodes are converted into machine instructions. Their placement should be determined by the relative order of incoming llvm instructions. The scheduler will now use the SDNode ordering information to determine where to insert them. A dbg_value instruction is inserted after the instruction with the last highest source order and before the instruction with the next highest source order. It will optimize the placement by inserting right after the instruction that produces the value if they have consecutive order numbers. 
Here is a theoretical example that illustrates why the placement is important.

tmp1 = 
store tmp1 -> x
...
tmp2 = add ...
...
call
...
store tmp2 -> x

Now mem2reg comes along:

tmp1 = 
dbg_value (tmp1 -> x)
...
tmp2 = add ...
...
call
...
dbg_value (tmp2 -> x)

When the debugger examine the value of x after the add instruction but before the call, it should have the value of tmp1.

Furthermore, for dbg_value's that reference constants, they should not be emitted at the beginning of the block (since they do not have "producers").

This patch also cleans up how SDISel manages DbgValue nodes. It allow a SDNode to be referenced by multiple SDDbgValue nodes. When a SDNode is deleted, it uses the information to find the SDDbgValues and invalidate them. They are not deleted until the corresponding SelectionDAG is destroyed.

llvm-svn: 99469
 2010-03-25 01:38:16 +00:00
Evan Cheng
f91618ae9f Rename SDDbgValue.h to SDNodeDbgValue.h for consistency. 
llvm-svn: 98513
 2010-03-14 19:56:39 +00:00