Added a (store (op (load ...) ...) ...) folding test case.

llvm-svn: 25933
2006-02-03 06:46:41 +00:00 · 2006-02-03 06:46:41 +00:00 · d65461c232
parent d7d98611ca
commit d65461c232
1 changed files with 14 additions and 0 deletions
--- a/llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll
+++ b/llvm/test/Regression/CodeGen/X86/store_op_load_fold.ll
@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep 'mov'
+;
+; Test the add and load are folded into the store instruction.
+
+target triple = "i686-pc-linux-gnu"
+
+%X = weak 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
+}