Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/CodeGen/Hexagon/branchfolder-keep-impdef.ll

@@ -1,29 +0,0 @@
-; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
-;
-; Check that the testcase compiles successfully. Expect that if-conversion
-; took place.
-; CHECK-LABEL: fred:
-; CHECK: if (!p0) r1 = memw(r0+#0)
-
-target triple = "hexagon"
-
-define void @fred(i32 %p0) local_unnamed_addr align 2 {
-b0:
-  br i1 undef, label %b1, label %b2
-
-b1:                                               ; preds = %b0
-  %t0 = load i8*, i8** undef, align 4
-  br label %b2
-
-b2:                                               ; preds = %b1, %b0
-  %t1 = phi i8* [ %t0, %b1 ], [ undef, %b0 ]
-  %t2 = getelementptr inbounds i8, i8* %t1, i32 %p0
-  tail call void @llvm.memmove.p0i8.p0i8.i32(i8* undef, i8* %t2, i32 undef, i32 1, i1 false) #1
-  unreachable
-}
-
-declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0
-
-attributes #0 = { argmemonly nounwind }
-attributes #1 = { nounwind }
-