--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/coalescer-commute1.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,26 @@
+; RUN: llc < %s -mtriple=i686-apple-darwin -mcpu=corei7-avx -mattr=+sse2 | not grep movaps
+; PR1877
+
+@NNTOT = weak global i32 0		; <i32*> [#uses=1]
+@G = weak global float 0.000000e+00		; <float*> [#uses=1]
+
+define void @runcont(i32* %source) nounwind  {
+entry:
+	%tmp10 = load i32* @NNTOT, align 4		; <i32> [#uses=1]
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%neuron.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]		; <i32> [#uses=2]
+	%thesum.0 = phi float [ 0.000000e+00, %entry ], [ %tmp6, %bb ]		; <float> [#uses=1]
+	%tmp2 = getelementptr i32* %source, i32 %neuron.0		; <i32*> [#uses=1]
+	%tmp3 = load i32* %tmp2, align 4		; <i32> [#uses=1]
+	%tmp34 = sitofp i32 %tmp3 to float		; <float> [#uses=1]
+	%tmp6 = fadd float %tmp34, %thesum.0		; <float> [#uses=2]
+	%indvar.next = add i32 %neuron.0, 1		; <i32> [#uses=2]
+	%exitcond = icmp eq i32 %indvar.next, %tmp10		; <i1> [#uses=1]
+	br i1 %exitcond, label %bb13, label %bb
+
+bb13:		; preds = %bb
+	store volatile float %tmp6, float* @G, align 4
+	ret void
+}