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6972177bd4
adjustment. If so, we merge the adjustment into the existing one. This
allows us to generate:
caller2:
sub %ESP, 12
mov DWORD PTR [%ESP], 0
mov %EAX, 1234567890
mov %EDX, 0
call func2
add %ESP, 8
ret 4
intead of:
caller2:
sub %ESP, 12
mov DWORD PTR [%ESP], 0
mov %EAX, 1234567890
mov %EDX, 0
call func2
sub %ESP, 4
add %ESP, 12
ret 4
for X86/fast-cc-merge-stack-adj.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22038 91177308-0d34-0410-b5e6-96231b3b80d8