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5 Commits

Author SHA1 Message Date
Mark Searles
b922196f7a [AMDGPU] Waitcnt pass: add debug options 
- Add "amdgpu-waitcnt-forcezero" to force all waitcnt instrs to be emitted as s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)

- Add debug counters to control force emit of s_waitcnt instrs; debug counters:
si-insert-waitcnts-forceexp: force emit s_waitcnt expcnt(0) instrs
si-insert-waitcnts-forcevm: force emit s_waitcnt lgkmcnt(0) instrs
si-insert-waitcnts-forcelgkm: force emit s_waitcnt vmcnt(0) instrs

- Add some debug statements

Note that a variant of this patch was previously committed/reverted.

Differential Revision: https://reviews.llvm.org/D45888

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330862 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-04-25 19:21:26 +00:00
Mark Searles
505994887d [AMDGPU] Revert "[AMDGPU] Add options for waitcnt pass debugging; add instr count in debug output." 
Patch caused a buildbot failure; arg; http://lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/17373/s\
teps/build_Lld/logs/stdio :
        /Users/buildslave/as-bldslv9/lld-x86_64-darwin13/llvm.src/lib/Target/AMDGPU/SIInsertWaitcnts.cpp:1563:18: error: unused variable 'InstCnt' [-Werror,-Wunused-variable]
          static int32_t InstCnt = 0;
                                              "
This reverts commit 4f4a7d61e306b67044d9f16bc2016fee806bc2cc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323791 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-01-30 17:17:06 +00:00
Mark Searles
5b32b73115 [AMDGPU] Add options for waitcnt pass debugging; add instr count in debug output. 
-amdgpu-waitcnt-forcezero={1|0}  Force all waitcnt instrs to be emitted as s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-amdgpu-waitcnt-forceexp=<n>  Force emit a s_waitcnt expcnt(0) before the first <n> instrs
-amdgpu-waitcnt-forcelgkm=<n> Force emit a s_waitcnt lgkmcnt(0) before the first <n> instrs
-amdgpu-waitcnt-forcevm=<n>   Force emit a s_waitcnt vmcnt(0) before the first <n> instrs

This patch was pushed ( abb190fd51cd2f9a9eef08c024e109f7f7e909fc ), which caused a buildbot failure, reverted ( 6227480d74da507cf8e1b4bcaffbdb9fb875b4b8 ), and then updated to fix buildbot failures (this patch).

Differential Revision: https://reviews.llvm.org/D40091

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323788 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-01-30 16:49:38 +00:00
Mark Searles
82e0652b95 [AMDGPU] Revert "[AMDGPU] Add options for waitcnt pass debugging; add instr count in debug output." 
Patch caused a buildbot failure; http://lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/15733/steps/build_Lld/logs/stdio :
lib/Target/AMDGPU/SIInsertWaitcnts.cpp:396:11: error: private field 'InstCnt' is not used [-Werror,-Wunused-private-field]
  int32_t InstCnt = 0;
          ^
1 error generated.
"
This reverts commit 71627f7901.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320086 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-12-07 21:14:41 +00:00
Mark Searles
71627f7901 [AMDGPU] Add options for waitcnt pass debugging; add instr count in debug output. 
-amdgpu-waitcnt-forcezero={1|0}  Force all waitcnt instrs to be emitted as s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-amdgpu-waitcnt-forceexp=<n>  Force emit a s_waitcnt expcnt(0) before the first <n> instrs
-amdgpu-waitcnt-forcelgkm=<n> Force emit a s_waitcnt lgkmcnt(0) before the first <n> instrs
-amdgpu-waitcnt-forcevm=<n>   Force emit a s_waitcnt vmcnt(0) before the first <n> instrs

Differential Revision: https://reviews.llvm.org/D40091

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320084 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-12-07 20:36:39 +00:00