Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/CodeGen/X86/tail-call-mutable-memarg.ll

@@ -1,42 +0,0 @@
-; RUN: llc < %s | FileCheck %s
-
-; Make sure we check that forwarded memory arguments are not modified when tail
-; calling. inalloca and copy arg elimination make argument slots mutable.
-
-target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
-target triple = "i386-pc-windows-msvc19.0.24215"
-
-declare x86_stdcallcc void @tail_std(i32)
-declare void @capture(i32*)
-
-define x86_thiscallcc void @inalloca(i32* %this, i32* inalloca %args) {
-entry:
-  %val = load i32, i32* %args
-  store i32 0, i32* %args
-  tail call x86_stdcallcc void @tail_std(i32 %val)
-  ret void
-}
-
-; CHECK-LABEL: _inalloca:                              # @inalloca
-; CHECK:         movl    4(%esp), %[[reg:[^ ]*]]
-; CHECK:         movl    $0, 4(%esp)
-; CHECK:         pushl   %[[reg]]
-; CHECK:         calll   _tail_std@4
-; CHECK:         retl    $4
-
-define x86_stdcallcc void @copy_elide(i32 %arg) {
-entry:
-  %arg.ptr = alloca i32
-  store i32 %arg, i32* %arg.ptr
-  call void @capture(i32* %arg.ptr)
-  tail call x86_stdcallcc void @tail_std(i32 %arg)
-  ret void
-}
-
-; CHECK-LABEL: _copy_elide@4:                          # @copy_elide
-; CHECK:         leal    {{[0-9]+}}(%esp), %[[reg:[^ ]*]]
-; CHECK:         pushl   %[[reg]]
-; CHECK:         calll   _capture
-; ...
-; CHECK:         calll   _tail_std@4
-; CHECK:         retl    $4