[X86] Regenerate vector-truncate-combine.ll to check entire code sequence

Author: RKSimon

llvm/test/CodeGen/X86/vector-truncate-combine.ll

@@ -1,4 +1,5 @@
-; RUN: llc -mtriple=x86_64-- -O2 -start-after=stack-protector -stop-before=loops %s -o - | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-- -O2 | FileCheck %s
 
 ; This test verifies the fix for PR33368.
 ;
@@ -14,11 +15,14 @@
 ; NOTE: This operation could be collapsed in to a single truncate. Once that is done
 ; this test will have to be adjusted.
 
-; CHECK:      PANDrm
-; CHECK:      PACKUSWBrr
-; CHECK:      MOVPDI2DIrr
-
 define void @test(double %vec.coerce) local_unnamed_addr {
+; CHECK-LABEL: test:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
+; CHECK-NEXT:    packuswb %xmm0, %xmm0
+; CHECK-NEXT:    movd %xmm0, %eax
+; CHECK-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
+; CHECK-NEXT:    retq
 entry:
   %c2 = alloca <2 x i8>, align 2
   %0 = bitcast double %vec.coerce to <8 x i8>