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-rw-r--r--llvm/test/CodeGen/X86/store_op_load_fold.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/store_op_load_fold.ll b/llvm/test/CodeGen/X86/store_op_load_fold.ll
new file mode 100644
index 00000000000..d3ad90984c0
--- /dev/null
+++ b/llvm/test/CodeGen/X86/store_op_load_fold.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | not grep 'mov'
+;
+; Test the add and load are folded into the store instruction.
+
+%X = internal global short 0
+
+void %foo() {
+ %tmp.0 = load short* %X
+ %tmp.3 = add short %tmp.0, 329
+ store short %tmp.3, short* %X
+ ret void
+}
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