Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/AArch64/tailcall-ccmismatch.ll

@@ -1,24 +0,0 @@
-; RUN: llc -o - %s | FileCheck %s
-target triple="aarch64--"
-
-declare void @somefunc()
-define preserve_mostcc void @test_ccmismatch_notail() {
-; Ensure that no tail call is used here, as the called function somefunc does
-; not preserve enough registers for preserve_mostcc.
-; CHECK-LABEL: test_ccmismatch_notail:
-; CHECK-NOT: b somefunc
-; CHECK: bl somefunc
-  tail call void @somefunc()
-  ret void
-}
-
-declare preserve_mostcc void @some_preserve_most_func()
-define void @test_ccmismatch_tail() {
-; We can perform a tail call here, because some_preserve_most_func preserves
-; all registers necessary for test_ccmismatch_tail.
-; CHECK-LABEL: test_ccmismatch_tail:
-; CHECK-NOT: bl some_preserve_most_func
-; CHECK: b some_preserve_most_func
-  tail call preserve_mostcc void @some_preserve_most_func()
-  ret void
-}