================
@@ -1110,6 +1123,7 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF,
DefCFAOffsetCandidates.addInst(LastPush, GPRCS3Size, BeforeFPPush);
if (FramePtrSpillArea == SpillArea::GPRCS3)
BeforeFPPush = false;
+ NumBytes -= GPRCS3Size;
----------------
trungnt2910 wrote:
This line is causing `CodeGen/ARM/Windows/wineh-framepointer.ll` to fail.
The assembly check expects the stack to be subtracted by a specific offset that
includes the already `push`ed Area 3 registers `r11` and `lr`:
https://github.com/llvm/llvm-project/blob/b751719170fdba8c0b9c07b5b6a598e95baba580/llvm/test/CodeGen/ARM/Windows/wineh-framepointer.ll#L21
Meanwhile, the offsets produced by this revision is always 2 words (8 bytes)
smaller.
@mstorsjo Since you wrote this test, could you please tell me if the failure is
expected? The test cases use `1256`, `1258`, and `1259`, so it does not seem
like a 8-byte or 16-byte padding, does it?
https://github.com/llvm/llvm-project/pull/184953
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