Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/X86/prefixdata.ll

@@ -0,0 +1,29 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck --check-prefix=MACHO %s
+; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck --check-prefix=ELF %s
+
+@i = linkonce_odr global i32 1
+
+; MACHO: ltmp0:
+; MACHO-NEXT: .long 1
+; MACHO-NEXT: .alt_entry _f
+; MACHO-NEXT: _f:
+; ELF: .type f,@function
+; ELF-NEXT: .long	1
+; ELF-NEXT: # 0x1
+; ELF-NEXT: f:
+define void @f() prefix i32 1 {
+  ret void
+}
+
+; MACHO: ltmp1:
+; MACHO-NEXT: .quad _i
+; MACHO-NEXT: .alt_entry _g
+; MACHO-NEXT: _g:
+; ELF: .type g,@function
+; ELF-NEXT: .quad	i
+; ELF-NEXT: g:
+define void @g() prefix i32* @i {
+  ret void
+}
+
+; MACHO: .subsections_via_symbols