Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/Hexagon/loop-idiom/lcssa.ll

@@ -1,46 +0,0 @@
-; RUN: opt -hexagon-loop-idiom -loop-deletion -gvn -S < %s
-; REQUIRES: asserts
-
-; This tests that the HexagonLoopIdiom pass does not mark LCSSA information
-; as preserved. The pass calls SimplifyInstruction is a couple of places,
-; which can invalidate LCSSA. Specifically, the uses of a LCSSA phi variable
-; are replaced by the incoming value.
-
-define hidden void @test() local_unnamed_addr #0 {
-entry:
-  br label %if.then63
-
-if.then63:
-  br i1 undef, label %do.body311, label %if.end375
-
-do.body311:
-  br i1 undef, label %do.end318, label %do.body311
-
-do.end318:
-  br i1 undef, label %if.end322, label %if.end375
-
-if.end322:
-  %sub325 = sub i32 undef, undef
-  br i1 undef, label %do.end329, label %do.body311
-
-do.end329:
-  %sub325.lcssa = phi i32 [ %sub325, %if.end322 ]
-  br label %do.body330
-
-do.body330:
-  %row_width.7 = phi i32 [ %sub325.lcssa, %do.end329 ], [ %dec334, %do.body330 ]
-  %sp.5 = phi i8* [ undef, %do.end329 ], [ %incdec.ptr331, %do.body330 ]
-  %dp.addr.5 = phi i8* [ undef, %do.end329 ], [ %incdec.ptr332, %do.body330 ]
-  %0 = load i8, i8* %sp.5, align 1
-  store i8 %0, i8* %dp.addr.5, align 1
-  %incdec.ptr332 = getelementptr inbounds i8, i8* %dp.addr.5, i32 1
-  %incdec.ptr331 = getelementptr inbounds i8, i8* %sp.5, i32 1
-  %dec334 = add i32 %row_width.7, -1
-  %cmp335 = icmp eq i32 %dec334, 0
-  br i1 %cmp335, label %if.end375, label %do.body330
-
-if.end375:
-  ret void
-}
-
-attributes #0 = { nounwind }