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-rw-r--r--llvm/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll9
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll b/llvm/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll
new file mode 100644
index 00000000000..b6077fd8ee3
--- /dev/null
+++ b/llvm/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | opt -functionattrs | llvm-dis | not grep read
+; PR2792
+
+@g = global i32 0 ; <i32*> [#uses=1]
+
+define i32 @f() {
+ %t = volatile load i32* @g ; <i32> [#uses=1]
+ ret i32 %t
+}
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