1; Linear scan does not currently coalesce any two variables that have 2; overlapping live intervals. When two overlapping intervals have the same 3; value, they can be joined though. 4; 5; RUN: llc < %s -march=x86 -regalloc=linearscan | \ 6; RUN: not grep {mov %\[A-Z\]\\\{2,3\\\}, %\[A-Z\]\\\{2,3\\\}} 7 8define i64 @test(i64 %x) { 9entry: 10 %tmp.1 = mul i64 %x, 4294967297 ; <i64> [#uses=1] 11 ret i64 %tmp.1 12} 13 14