forked from OSchip/llvm-project
[BOLT][llvm] Update llvm.patch
Summary: (cherry picked from FBD20063562)
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@ -3161,7 +3161,7 @@ index 44422a95f16..d60aa3fd198 100644
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uint8_t repeatPrefix;
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diff --git a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
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index eea94b2eb1d..0533ff2cfb8 100644
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index eea94b2eb1d..8f3aea5125d 100644
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--- a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
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+++ b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
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@@ -7,6 +7,7 @@
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@ -3203,6 +3203,14 @@ index eea94b2eb1d..0533ff2cfb8 100644
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+ "boundary's size is not 0, it should be a power of 2 and no less "
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+ "than 32. Branches will be aligned within the boundary of specified "
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+ "size. -x86-align-branch-boundary=0 doesn't align branches."));
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+
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+cl::opt<bool> X86AlignBranchWithin32BBoundaries(
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+ "x86-branches-within-32B-boundaries", cl::init(false),
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+ cl::desc(
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+ "Align selected instructions to mitigate negative performance impact "
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+ "of Intel's micro code update for errata skx102. May break "
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+ "assumptions about labels corresponding to particular instructions, "
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+ "and should be used with caution."));
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+
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namespace {
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+class X86AlignBranchKind {
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@ -3262,14 +3270,6 @@ index eea94b2eb1d..0533ff2cfb8 100644
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+ "jmp(unconditional jump); call(call); ret(ret), "
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+ "indirect(indirect jump)."),
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+ cl::location(X86AlignBranchKindLoc));
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+
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+cl::opt<bool> X86AlignBranchWithin32BBoundaries(
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+ "x86-branches-within-32B-boundaries", cl::init(false),
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+ cl::desc(
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+ "Align selected instructions to mitigate negative performance impact "
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+ "of Intel's micro code update for errata skx102. May break "
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+ "assumptions about labels corresponding to particular instructions, "
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+ "and should be used with caution."));
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class X86ELFObjectWriter : public MCELFObjectTargetWriter {
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public:
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