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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199116 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/DebugInfo/SystemZ/variable-loc.ll b/test/DebugInfo/SystemZ/variable-loc.ll
index 560b47747dd87b9e8dae0e61c26152525d949b37..f3b454835fd8d62c77fa75a0cfecaefef13ccf63 100644 (file)
--- a/test/DebugInfo/SystemZ/variable-loc.ll
+++ b/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