Revert "Automatically generates several X86/sse tests cases. NFC"

This reverts commit 324d696.
Broke check-llvm on Windows, see e.g.
https://lab.llvm.org/buildbot/#/builders/216/builds/4005 and
comment on https://reviews.llvm.org/rG324d696c154aad42b2580d2f225a677c04fe0ab4

Author: nico

llvm/test/CodeGen/X86/sse-commute.ll

@@ -1,14 +1,12 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s
 
 ; Commute the comparison to avoid a move.
 ; PR7500.
-define <2 x double> @a(<2 x double>, <2 x double>) nounwind readnone {
+
 ; CHECK-LABEL: a:
-; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    pcmpeqd %xmm0, %xmm1
-; CHECK-NEXT:    pand %xmm1, %xmm0
-; CHECK-NEXT:    retq
+; CHECK-NOT: mov
+; CHECK:     pcmpeqd
+define <2 x double> @a(<2 x double>, <2 x double>) nounwind readnone {
 entry:
   %tmp6 = bitcast <2 x double> %0 to <4 x i32>    ; <<4 x i32>> [#uses=2]
   %tmp4 = bitcast <2 x double> %1 to <4 x i32>    ; <<4 x i32>> [#uses=1]
@@ -18,3 +16,5 @@ entry:
   %tmp8 = bitcast <4 x i32> %and to <2 x double>  ; <<2 x double>> [#uses=1]
   ret <2 x double> %tmp8
 }
+
+