1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s
3 ; We shouldn't generate a hardware loop in this case because the initial
4 ; value may be zero, which means the endloop instruction will not decrement
5 ; the loop counter, and the loop will execute only once.
9 define void @foo(i32 %count, i32 %v) #0 {
14 %count.addr.0 = phi i32 [ %count, %entry ], [ %dec, %do.body ]
15 tail call void asm sideeffect "nop", ""() #1
16 %dec = add i32 %count.addr.0, -1
17 %cmp = icmp eq i32 %dec, 0
18 br i1 %cmp, label %do.end, label %do.body