Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/Hexagon/rdf-copy.ll

@@ -1,54 +0,0 @@
-; RUN: llc -march=hexagon < %s | FileCheck %s
-;
-; Check that
-;     {
-;         r1 = r0
-;     }
-;     {
-;         r0 = memw(r1 + #0)
-;     }
-; was copy-propagated to
-;     {
-;         r1 = r0
-;         r0 = memw(r0 + #0)
-;     }
-;
-; CHECK-LABEL: LBB0_1
-; CHECK: [[DST:r[0-9]+]] = [[SRC:r[0-9]+]]
-; CHECK-DAG: memw([[SRC]]
-; CHECK-NOT: memw([[DST]]
-; CHECK: %if.end
-
-target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
-target triple = "hexagon"
-
-%union.t = type { %struct.t, [64 x i8] }
-%struct.t = type { [12 x i8], %struct.r*, double }
-%struct.r = type opaque
-
-define %union.t* @foo(%union.t* %chain) nounwind readonly {
-entry:
-  %tobool = icmp eq %union.t* %chain, null
-  br i1 %tobool, label %if.end, label %while.cond.preheader
-
-while.cond.preheader:                             ; preds = %entry
-  br label %while.cond
-
-while.cond:                                       ; preds = %while.cond.preheader, %while.cond
-  %chain.addr.0 = phi %union.t* [ %0, %while.cond ], [ %chain, %while.cond.preheader ]
-  %chain1 = bitcast %union.t* %chain.addr.0 to %union.t**
-  %0 = load %union.t*, %union.t** %chain1, align 4, !tbaa !0
-  %tobool2 = icmp eq %union.t* %0, null
-  br i1 %tobool2, label %if.end.loopexit, label %while.cond
-
-if.end.loopexit:                                  ; preds = %while.cond
-  br label %if.end
-
-if.end:                                           ; preds = %if.end.loopexit, %entry
-  %chain.addr.1 = phi %union.t* [ null, %entry ], [ %chain.addr.0, %if.end.loopexit ]
-  ret %union.t* %chain.addr.1
-}
-
-!0 = !{!"any pointer", !1}
-!1 = !{!"omnipotent char", !2}
-!2 = !{!"Simple C/C++ TBAA"}