1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-12-23-dagcombine-6.ll b/test/CodeGen/X86/2008-12-23-dagcombine-6.ll
new file mode 100644
index 0000000..bae9283
--- /dev/null
+++ b/test/CodeGen/X86/2008-12-23-dagcombine-6.ll
@@ -0,0 +1,24 @@
+; RUN: llc < %s -march=x86 | grep "(%esp)" | count 4
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin9.5"
+; a - a should be found and removed, leaving refs to only L and P
+define i32 @test(i32 %a, i32 %L, i32 %P) nounwind {
+entry:
+        %0 = add i32 %a, %L
+        %1 = add i32 %P, %0
+	%2 = sub i32 %1, %a
+	br label %return
+
+return:		; preds = %bb3
+	ret i32 %2
+}
+define i32 @test2(i32 %a, i32 %L, i32 %P) nounwind {
+entry:
+        %0 = add i32 %L, %a
+        %1 = add i32 %P, %0
+	%2 = sub i32 %1, %a
+	br label %return
+
+return:		; preds = %bb3
+	ret i32 %2
+}