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(parent: f922d9c) | patch
X86: Only use 'lea' in Win64 epilogues if a frame pointer exists
authorDavid Majnemer <david.majnemer@gmail.com>
Tue, 24 Feb 2015 00:11:32 +0000 (00:11 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Tue, 24 Feb 2015 00:11:32 +0000 (00:11 +0000)
commitfbdee9f0c02d77060b6ca6e6042cc80f911e889c
tree008cd4d1f3fe859c9d831df438f246d397b7adb1tree | snapshot
parentf922d9cfe41112b79ac3cad9f5758f1ff3ad77cccommit | diff
X86: Only use 'lea' in Win64 epilogues if a frame pointer exists

We can only use 'add' in epilogues, 'lea' is not permitted unless we've
established a frame pointer in the prologue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230286 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86FrameLowering.cpp diff | blob | history
test/CodeGen/X86/win64_eh.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors