search for: __builtin_stack_restore

Displaying 2 results from an estimated 2 matches for "__builtin_stack_restore".

2012 Feb 01
3
[LLVMdev] Issues with the llvm.stackrestore intrinsic
...don't otherwise // model their dependencies on allocas. def int_stacksave : Intrinsic<[llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_save">; def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_restore">; Does "GCCBuiltin" imply "writemem", or how does the comment and the code correspond? Second problem: --------------- It seems that calls to stackrestore are removed if they are close to a ret instruction. I suppose the idea is that the function epilogue will resto...
2012 Feb 03
0
[LLVMdev] Issues with the llvm.stackrestore intrinsic - now LoopRotation handling of alloca
...model their dependencies on allocas. > def int_stacksave : Intrinsic<[llvm_ptr_ty]>, > GCCBuiltin<"__builtin_stack_save">; > def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>, > GCCBuiltin<"__builtin_stack_restore">; > > Does "GCCBuiltin" imply "writemem", or how does the comment and the code > correspond? > > > Second problem: > --------------- > It seems that calls to stackrestore are removed if they are close to a > ret instruction. I suppose the idea...