Add an EXTRACTPSmr pattern to match the pattern that

[oota-llvm.git] / test / CodeGen / X86 / extractps.ll

diff --git a/test/CodeGen/X86/extractps.ll b/test/CodeGen/X86/extractps.ll
new file mode 100644 (file)
index 0000000..eb043f3
--- /dev/null
+++ b/test/CodeGen/X86/extractps.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -mcpu=penryn | grep mov | 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
+}
+
+declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone
+