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The BUNDLE itself should not have side effects, and this is a property
of instructions inside the bundle. The hasProperty check already
searches for any member instructions, which was pointless since it was
overridden by this bit.
Allows me to distinguish bundles that have side effects vs. do not in
a future patch. Also fixes an unnecessary scheduling barrier in the
bundle AMDGPU uses to get PC relative addresses.
llvm-svn: 364984
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The benchmarking summarized in
http://lists.llvm.org/pipermail/llvm-dev/2017-May/113525.html showed
this is beneficial for a wide range of cores.
As is to be expected, quite a few small adaptations are needed to the
regressions tests, as the difference in scheduling results in:
- Quite a few small instruction schedule differences.
- A few changes in register allocation decisions caused by different
instruction schedules.
- A few changes in IfConversion decisions, due to a difference in
instruction schedule and/or the estimated cost of a branch mispredict.
llvm-svn: 306514
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- Use storage class C_STAT for 'PrivateLinkage' The storage class for
PrivateLinkage should equal to the Internal Linkage.
- Set 'PrivateGlobalPrefix' from "L" to ".L" for MM_WinCOFF (includes
x86_64) MM_WinCOFF has empty GlobalPrefix '\0' so PrivateGlobalPrefix
"L" may conflict to the normal symbol name starting with 'L'.
Based on a patch by Han Sangjin! Manually updated test cases.
llvm-svn: 284096
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TLS access requires an offset from the TLS index. The index itself is the
section-relative distance of the symbol. For ARM, the relevant relocation
(IMAGE_REL_ARM_SECREL) is applied as a constant. This means that the value may
not be an immediate and must be lowered into a constant pool. This offset will
not be base relocated. We were previously emitting the actual address of the
symbol which would be base relocated and would therefore be the vaue offset by
the ImageBase + TLS Offset.
llvm-svn: 271974
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Add support for TLS access for Windows on ARM. This generates a similar access
to MSVC for ARM.
The changes to the tablegen data is needed to support loading an external symbol
global that is not for a call. The adjustments to the DAG to DAG transforms are
needed to preserve the 32-bit move.
llvm-svn: 259676
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