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author | Bill Wendling <isanbard@gmail.com> | 2010-05-26 00:32:40 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2010-05-26 00:32:40 +0000 |
commit | be22683202731127a5128db8be404edcee91defd (patch) | |
tree | 4cdd751a636f97cf2243eed3b1e65cdfde26b64f /include/llvm | |
parent | 6a45d681e53a99b4c4f63e0b1664626a596a8151 (diff) | |
download | external_llvm-be22683202731127a5128db8be404edcee91defd.zip external_llvm-be22683202731127a5128db8be404edcee91defd.tar.gz external_llvm-be22683202731127a5128db8be404edcee91defd.tar.bz2 |
Dale and Evan suggested putting the "check for setjmp" much earlier in the
machine code generation. That's a good idea, so I made it so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm')
-rw-r--r-- | include/llvm/CodeGen/MachineFunction.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h index 595872a..ec25bc1 100644 --- a/include/llvm/CodeGen/MachineFunction.h +++ b/include/llvm/CodeGen/MachineFunction.h @@ -114,9 +114,13 @@ class MachineFunction { /// unsigned FunctionNumber; - /// The alignment of the function. + /// Alignment - The alignment of the function. unsigned Alignment; + /// HasReturnsTwiceCall - Returns true if there's a call with a + /// "returns_twice" attribute, like setjmp. + bool HasReturnsTwiceCall; + MachineFunction(const MachineFunction &); // DO NOT IMPLEMENT void operator=(const MachineFunction&); // DO NOT IMPLEMENT public: @@ -181,6 +185,15 @@ public: void EnsureAlignment(unsigned A) { if (Alignment < A) Alignment = A; } + + /// hasReturnsTwiceCall - Returns true if there's a call with a + /// "returns_twice" attribute, like setjmp. + bool hasReturnsTwiceCall() const { + return HasReturnsTwiceCall; + } + void setReturnsTwiceCall(bool B) { + HasReturnsTwiceCall = B; + } /// getInfo - Keep track of various per-function pieces of information for /// backends that would like to do so. |