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1; RUN: llc -mtriple=hexagon -mcpu=hexagonv5 < %s | FileCheck %s2 3; We shouldn't generate a hardware loop in this case because the initial4; value may be zero, which means the endloop instruction will not decrement5; the loop counter, and the loop will execute only once.6 7; CHECK-NOT: loop08 9define void @foo(i32 %count, i32 %v) #0 {10entry:11 br label %do.body12 13do.body:14 %count.addr.0 = phi i32 [ %count, %entry ], [ %dec, %do.body ]15 tail call void asm sideeffect "nop", ""() #116 %dec = add i32 %count.addr.0, -117 %cmp = icmp eq i32 %dec, 018 br i1 %cmp, label %do.end, label %do.body19 20do.end:21 ret void22}23