File backport-llvm-r199116 of Package llvm

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File backport-llvm-r199116 of Package llvm

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r199116 | rsandifo | 2014-01-13 16:42:16 +0100 (Mon, 13 Jan 2014) | 2 lines

[SystemZ] Add "volatile" to a dead store in variable-loc.ll

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Index: test/DebugInfo/SystemZ/variable-loc.ll
===================================================================
--- test/DebugInfo/SystemZ/variable-loc.ll.orig
+++ test/DebugInfo/SystemZ/variable-loc.ll
@@ -2,7 +2,7 @@
 ;
 ; This is a regression test making sure the location of variables is correct in
 ; debugging information, even if they're addressed via the frame pointer.
-; A copy of the AArch64 test, commandeered for SystemZ.
+; Originally a copy of the AArch64 test, commandeered for SystemZ.
 ;
 ; First make sure main_arr is where we expect it: %r11 + 164
 ;
@@ -39,7 +39,7 @@ entry:
   %retval = alloca i32, align 4
   %main_arr = alloca [100 x i32], align 4
   %val = alloca i32, align 4
-  store i32 0, i32* %retval
+  store volatile i32 0, i32* %retval
   call void @llvm.dbg.declare(metadata !{[100 x i32]* %main_arr}, metadata !17), !dbg !22
   call void @llvm.dbg.declare(metadata !{i32* %val}, metadata !23), !dbg !24
   %arraydecay = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !25

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