1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/X86/extractps.ll b/test/CodeGen/X86/extractps.ll
new file mode 100644
index 00000000000..9e1a3754d0f
--- /dev/null
+++ b/test/CodeGen/X86/extractps.ll
@@ -0,0 +1,27 @@
+; RUN: llc < %s -march=x86 -mcpu=penryn > %t
+; RUN: not grep movd %t
+; RUN: grep "movss	%xmm" %t | count 1
+; RUN: grep "extractps	\$1, %xmm0, " %t | count 1
+; PR2647
+
+external global float, align 16         ; <float*>:0 [#uses=2]
+
+define internal void @""() nounwind {
+        load float* @0, align 16                ; <float>:1 [#uses=1]
+        insertelement <4 x float> undef, float %1, i32 0                ; <<4 x float>>:2 [#uses=1]
+        call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 )              ; <<4 x float>>:3 [#uses=1]
+        extractelement <4 x float> %3, i32 0            ; <float>:4 [#uses=1]
+        store float %4, float* @0, align 16
+        ret void
+}
+define internal void @""() nounwind {
+        load float* @0, align 16                ; <float>:1 [#uses=1]
+        insertelement <4 x float> undef, float %1, i32 1                ; <<4 x float>>:2 [#uses=1]
+        call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 )              ; <<4 x float>>:3 [#uses=1]
+        extractelement <4 x float> %3, i32 1            ; <float>:4 [#uses=1]
+        store float %4, float* @0, align 16
+        ret void
+}
+
+declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone
+