Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/Hexagon/hwloop-preheader.ll

@@ -1,40 +0,0 @@
-; RUN: llc -march=hexagon -mcpu=hexagonv5 -hexagon-hwloop-preheader < %s
-; REQUIRES: asserts
-
-; Test that the preheader is added to the parent loop, otherwise
-; we generate an invalid hardware loop.
-
-; Function Attrs: nounwind readonly
-define void @test(i16 signext %n) #0 {
-entry:
-  br i1 undef, label %for.cond4.preheader.preheader.split.us, label %for.end22
-
-for.cond4.preheader.preheader.split.us:
-  %0 = sext i16 %n to i32
-  br label %for.body9.preheader.us
-
-for.body9.us:
-  %indvars.iv = phi i32 [ %indvars.iv.next.7, %for.body9.us ], [ 0, %for.body9.preheader.us ]
-  %indvars.iv.next.7 = add i32 %indvars.iv, 8
-  %lftr.wideiv.7 = trunc i32 %indvars.iv.next.7 to i16
-  %exitcond.7 = icmp slt i16 %lftr.wideiv.7, 0
-  br i1 %exitcond.7, label %for.body9.us, label %for.body9.us.ur
-
-for.body9.preheader.us:
-  %i.030.us.pmt = phi i32 [ %inc21.us.pmt, %for.end.loopexit.us ], [ 0, %for.cond4.preheader.preheader.split.us ]
-  br i1 undef, label %for.body9.us, label %for.body9.us.ur
-
-for.body9.us.ur:
-  %exitcond.ur.old = icmp eq i16 undef, %n
-  br i1 %exitcond.ur.old, label %for.end.loopexit.us, label %for.body9.us.ur
-
-for.end.loopexit.us:
-  %inc21.us.pmt = add i32 %i.030.us.pmt, 1
-  %exitcond33 = icmp eq i32 %inc21.us.pmt, %0
-  br i1 %exitcond33, label %for.end22, label %for.body9.preheader.us
-
-for.end22:
-  ret void
-}
-
-attributes #0 = { nounwind readonly "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }