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| author | Reid Kleckner <rnk@google.com> | 2015-11-06 17:06:38 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2015-11-06 17:06:38 +0000 |
| commit | b8fd162fc569449fcf4e650978865c6437edd739 (patch) | |
| tree | 061da520ff31e33e3d09c4e762714f9eaa47cd53 /lldb/packages/Python/lldbsuite/test/python_api/breakpoint/TestBreakpointAPI.py | |
| parent | 43f9b4897599e25ab90325e7753c37ad03299a74 (diff) | |
| download | bcm5719-llvm-b8fd162fc569449fcf4e650978865c6437edd739.tar.gz bcm5719-llvm-b8fd162fc569449fcf4e650978865c6437edd739.zip | |
[WinEH] Mark funclet entries and exits as clobbering all registers
Summary:
In this implementation, LiveIntervalAnalysis invents a few register
masks on basic block boundaries that preserve no registers. The nice
thing about this is that it prevents the prologue inserter from thinking
it needs to spill all XMM CSRs, because it doesn't see any explicit
physreg defs in the MI.
Reviewers: MatzeB, qcolombet, JosephTremoulet, majnemer
Subscribers: MatzeB, llvm-commits
Differential Revision: http://reviews.llvm.org/D14407
llvm-svn: 252318
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/python_api/breakpoint/TestBreakpointAPI.py')
0 files changed, 0 insertions, 0 deletions
