hanchenye-llvm-project/llvm/test/Regression/CodeGen/Generic/2004-04-09-SameValueCoalesc...

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; Linear scan does not currently coalesce any two variables that have
; overlapping live intervals. When two overlapping intervals have the same
; value, they can be joined though.
;
; RUN: llvm-as < %s | llc -march=x86 -regalloc=linearscan | not grep 'mov %[A-Z]\{2,3\}, %[A-Z]\{2,3\}'
long %test(long %x) {
entry:
%tmp.1 = mul long %x, 4294967297 ; <long> [#uses=1]
ret long %tmp.1
}