[PATCH] D116628: [X86] add dwarf information for loop stack probe

[Phoebe Wang via Phabricator via llvm-commits]

pengfei added inline comments.


================
Comment at: llvm/lib/Target/X86/X86FrameLowering.cpp:698
   {
-    const unsigned SUBOpc = getSUBriOpcode(Uses64BitFramePtr, Offset);
+    const unsigned BoundOffset = Offset / StackProbeSize * StackProbeSize;
+    const unsigned SUBOpc = getSUBriOpcode(Uses64BitFramePtr, BoundOffset);
----------------
`alignDown(Offset, StackProbeSize)`


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  https://reviews.llvm.org/D116628/new/

https://reviews.llvm.org/D116628