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Vy Nguyen f8b01d54c3 Reland `293e8fa13d` [llvm-exegesis] Disable the LBR check on AMD https://bugs.llvm.org/show_bug.cgi?id=48918 The bug reported a hang (or very very slow runtime) on a Zen2. Unfortunately, we don't have the hardware right now to debug it and I was not able to reproduce the bug on a HSW. Theory we've got is that the lbr-checking code could be confused on AMD. Differential Revision: https://reviews.llvm.org/D97504 New change: - Surround usages of x86 helper in llvm-exegesis/X86/Target.cpp with ifdef - Fix bug which caused the caller of getVendorSignature to not have a copy of EAX that it expected.	2021-03-05 13:23:42 -05:00
..
llvm	Reland `293e8fa13d`	2021-03-05 13:23:42 -05:00
llvm-c	[DebugInfo] Add DIArgList MD to store multple values in DbgVariableIntrinsics	2021-03-05 17:02:24 +00:00

Vy Nguyen f8b01d54c3 Reland 293e8fa13d

[llvm-exegesis] Disable the LBR check on AMD

    https://bugs.llvm.org/show_bug.cgi?id=48918

    The bug reported a hang (or very very slow runtime) on a Zen2. Unfortunately, we don't have the hardware right now to debug it and I was not able to reproduce the bug on a HSW.
    Theory we've got is that the lbr-checking code could be confused on AMD.

    Differential Revision: https://reviews.llvm.org/D97504

New change:
 - Surround usages of x86 helper in llvm-exegesis/X86/Target.cpp with ifdef
 - Fix bug which caused the caller of getVendorSignature to not have a copy of EAX that it expected.

2021-03-05 13:23:42 -05:00

llvm Reland 293e8fa13d 2021-03-05 13:23:42 -05:00

llvm-c [DebugInfo] Add DIArgList MD to store multple values in DbgVariableIntrinsics 2021-03-05 17:02:24 +00:00