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llvm-mirror/test/Transforms/InstCombine/volatile_store.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

15 lines
334 B
LLVM

; RUN: opt < %s -instcombine -S | grep {volatile store}
; RUN: opt < %s -instcombine -S | grep {volatile load}
@x = weak global i32 0 ; <i32*> [#uses=2]
define void @self_assign_1() {
entry:
%tmp = volatile load i32* @x ; <i32> [#uses=1]
volatile store i32 %tmp, i32* @x
br label %return
return: ; preds = %entry
ret void
}