Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/MIR/X86/duplicate-memory-operand-flag.mir

@@ -1,27 +0,0 @@
-# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
-
---- |
-
-  define i32 @volatile_inc(i32* %x) {
-  entry:
-    %0 = load volatile i32, i32* %x
-    %1 = add i32 %0, 1
-    store volatile i32 %1, i32* %x
-    ret i32 %1
-  }
-
-...
----
-name:            volatile_inc
-tracksRegLiveness: true
-liveins:
-  - { reg: '%rdi' }
-body: |
-  bb.0.entry:
-    liveins: %rdi
-  ; CHECK: [[@LINE+1]]:50: duplicate 'volatile' memory operand flag
-    %eax = MOV32rm %rdi, 1, _, 0, _ :: (volatile volatile load 4 from %ir.x)
-    %eax = INC32r killed %eax, implicit-def dead %eflags
-    MOV32mr killed %rdi, 1, _, 0, _, %eax :: (volatile store 4 into %ir.x)
-    RETQ %eax
-...