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Add a REQUIRES_FRAME_POINTER option to disable the frame pointer 

elimination optimization on the LLVM code base.

llvm-svn: 79477
This commit is contained in:
Nicolas Geoffray 2009-08-19 22:04:44 +00:00
parent 40a0fbc1d0
commit 43cce2294c
1 changed files with 6 additions and 0 deletions
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6
llvm/Makefile.rules
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@ -337,6 +337,12 @@ ifndef REQUIRES_EH
CXX.Flags += -fno-exceptions CXX.Flags += -fno-exceptions
endif endif
ifdef REQUIRES_FRAME_POINTER
CXX.Flags := $(filter-out -fomit-frame-pointer,$(CXX.Flags))
C.Flags := $(filter-out -fomit-frame-pointer,$(C.Flags))
LD.Flags := $(filter-out -fomit-frame-pointer,$(LD.Flags))
endif
# IF REQUIRES_RTTI=1 is specified then don't disable run-time type id # IF REQUIRES_RTTI=1 is specified then don't disable run-time type id
ifndef REQUIRES_RTTI ifndef REQUIRES_RTTI
# CXX.Flags += -fno-rtti # CXX.Flags += -fno-rtti