Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/Hexagon/fixed-spill-mutable.ll

@@ -1,69 +0,0 @@
-; RUN: llc -march=hexagon < %s | FileCheck %s
-
-; The early return is predicated, and the save-restore code is mixed together:
-; {
-;   p0 = cmp.eq(r0, #0)
-;   if (p0.new) r17:16 = memd(r29 + #0)
-;   memd(r29+#0) = r17:16
-; }
-; {
-;   if (p0) dealloc_return
-; }
-; The problem is that the load will execute before the store, clobbering the
-; pair r17:16.
-;
-; Check that the store and the load are not in the same packet.
-; CHECK: memd{{.*}} = r17:16
-; CHECK: }
-; CHECK: r17:16 = memd
-; CHECK-LABEL: LBB0_1:
-
-target triple = "hexagon"
-
-%struct.0 = type { i8*, %struct.1*, %struct.2*, %struct.0*, %struct.0* }
-%struct.1 = type { [60 x i8], i32, %struct.1* }
-%struct.2 = type { i8, i8, i8, i8, %union.anon }
-%union.anon = type { %struct.3* }
-%struct.3 = type { %struct.3*, %struct.2* }
-
-@var = external hidden unnamed_addr global %struct.0*, align 4
-
-declare void @bar(i8*, i32) local_unnamed_addr #0
-
-define void @foo() local_unnamed_addr #1 {
-entry:
-  %.pr = load %struct.0*, %struct.0** @var, align 4, !tbaa !1
-  %cmp2 = icmp eq %struct.0* %.pr, null
-  br i1 %cmp2, label %while.end, label %while.body.preheader
-
-while.body.preheader:                             ; preds = %entry
-  br label %while.body
-
-while.body:                                       ; preds = %while.body.preheader, %while.body
-  %0 = phi %struct.0* [ %4, %while.body ], [ %.pr, %while.body.preheader ]
-  %right = getelementptr inbounds %struct.0, %struct.0* %0, i32 0, i32 4
-  %1 = bitcast %struct.0** %right to i32*
-  %2 = load i32, i32* %1, align 4, !tbaa !5
-  %3 = bitcast %struct.0* %0 to i8*
-  tail call void @bar(i8* %3, i32 20) #1
-  store i32 %2, i32* bitcast (%struct.0** @var to i32*), align 4, !tbaa !1
-  %4 = inttoptr i32 %2 to %struct.0*
-  %cmp = icmp eq i32 %2, 0
-  br i1 %cmp, label %while.end.loopexit, label %while.body
-
-while.end.loopexit:                               ; preds = %while.body
-  br label %while.end
-
-while.end:                                        ; preds = %while.end.loopexit, %entry
-  ret void
-}
-
-attributes #0 = { optsize }
-attributes #1 = { nounwind optsize }
-
-!1 = !{!2, !2, i64 0}
-!2 = !{!"any pointer", !3, i64 0}
-!3 = !{!"omnipotent char", !4, i64 0}
-!4 = !{!"Simple C/C++ TBAA"}
-!5 = !{!6, !2, i64 16}
-!6 = !{!"0", !2, i64 0, !2, i64 4, !2, i64 8, !2, i64 12, !2, i64 16}