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| author | Reid Kleckner <reid@kleckner.net> | 2014-04-10 22:58:43 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2014-04-10 22:58:43 +0000 |
| commit | bc1fd917f09c1ef295231d88a80874689de2ff7f (patch) | |
| tree | 317a9a78cf64b575b18adf75f5ffb4e2295cbfc1 /lib/CodeGen/MachineFunction.cpp | |
| parent | ee66766568d834217fdb08e73e7f1b423b035b0f (diff) | |
| download | llvm-bc1fd917f09c1ef295231d88a80874689de2ff7f.tar.gz llvm-bc1fd917f09c1ef295231d88a80874689de2ff7f.tar.bz2 llvm-bc1fd917f09c1ef295231d88a80874689de2ff7f.tar.xz | |
Move the segmented stack switch to a function attribute
This removes the -segmented-stacks command line flag in favor of a
per-function "split-stack" attribute.
Patch by Luqman Aden and Alex Crichton!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineFunction.cpp')
| -rw-r--r-- | lib/CodeGen/MachineFunction.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index 4c5b767b05..013eef71d7 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -123,6 +123,11 @@ getOrCreateJumpTableInfo(unsigned EntryKind) { return JumpTableInfo; } +/// Should we be emitting segmented stack stuff for the function +bool MachineFunction::shouldSplitStack() { + return getFunction()->hasFnAttribute("split-stack"); +} + /// RenumberBlocks - This discards all of the MachineBasicBlock numbers and /// recomputes them. This guarantees that the MBB numbers are sequential, /// dense, and match the ordering of the blocks within the function. If a |