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- 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
llvm-svn: 330862
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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.
llvm-svn: 323791
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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
llvm-svn: 323788
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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 71627f79010aafe74fdcba901bba28dd7caa0869.
llvm-svn: 320086
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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
llvm-svn: 320084
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