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llvm-mirror/test/Regression/CodeGen/X86/2004-04-09-SameValueCoalescing.llx
Chris Lattner 95a4e948da remove dead args
llvm-svn: 22900
2005-08-19 01:17:18 +00:00

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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
}