Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/Hexagon/plt-rel.ll

@@ -0,0 +1,37 @@
+; RUN: llc -march=hexagon -relocation-model=pic -mattr=+long-calls < %s | FileCheck --check-prefix=CHECK-LONG %s
+; RUN: llc -march=hexagon -relocation-model=pic < %s | FileCheck %s
+
+; CHECK-LONG: call ##_ZL13g_usr1_called@GDPLT
+; CHECK-LONG-NOT: call _ZL13g_usr1_called@GDPLT
+; CHECK: call _ZL13g_usr1_called@GDPLT
+; CHECK-NOT: call ##_ZL13g_usr1_called@GDPLT
+
+
+target triple = "hexagon"
+
+@_ZL13g_usr1_called = internal thread_local global i32 0, align 4
+
+; Function Attrs: norecurse nounwind
+define void @_Z14SigUsr1Handleri(i32) local_unnamed_addr #0 {
+entry:
+  store volatile i32 1, i32* @_ZL13g_usr1_called, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define zeroext i1 @_Z27CheckForMonitorCancellationv() local_unnamed_addr #0 {
+entry:
+  %0 = load volatile i32, i32* @_ZL13g_usr1_called, align 4
+  %tobool = icmp eq i32 %0, 0
+  br i1 %tobool, label %return, label %if.then
+
+if.then:                                          ; preds = %entry
+  store volatile i32 0, i32* @_ZL13g_usr1_called, align 4
+  br label %return
+
+return:                                           ; preds = %entry, %if.then
+  %.sink = phi i1 [ true, %if.then ], [ false, %entry ]
+  ret i1 %.sink
+}
+
+attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }