1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll b/llvm/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll
new file mode 100644
index 00000000000..d8b2defea88
--- /dev/null
+++ b/llvm/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=sse | grep movaps
+; Test that the load is NOT folded into the intrinsic, which would zero the top
+; elts of the loaded vector.
+
+target endian = little
+target pointersize = 32
+target triple = "i686-apple-darwin8.7.2"
+
+implementation   ; Functions:
+
+<4 x float> %test(<4 x float> %A, <4 x float>* %B) {
+	%BV = load <4 x float>* %B
+	%tmp28 = tail call <4 x float> %llvm.x86.sse.sub.ss( <4 x float> %A, <4 x float> %BV)
+	ret <4 x float> %tmp28
+}
+
+declare <4 x float> %llvm.x86.sse.sub.ss(<4 x float>, <4 x float>)