Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/2012-05-17-TwoAddressBug.ll

@@ -1,16 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-apple-macosx -pre-RA-sched=source | FileCheck %s
-
-; Teach two-address pass to update the "source" map so it doesn't perform a
-; non-profitable commute using outdated info. The test case would still fail
-; because of poor pre-RA schedule. That will be fixed by MI scheduler.
-; rdar://11472010
-define i32 @t(i32 %mask) nounwind readnone ssp {
-entry:
-; CHECK-LABEL: t:
-; CHECK-NOT: mov
-  %sub = add i32 %mask, -65535
-  %shr = lshr i32 %sub, 23
-  %and = and i32 %mask, 1
-  %add = add i32 %shr, %and
-  ret i32 %add
-}