llvm/test/Transforms/SLPVectorizer/X86/split-node-full-match.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define void @test(double %0) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: double [[TMP0:%.*]]) {
; CHECK-NEXT:  [[_THREAD:.*:]]
; CHECK-NEXT:    [[TMP1:%.*]] = call double null(ptr null, ptr null, ptr null)
; CHECK-NEXT:    [[TMP2:%.*]] = call double null(ptr null, ptr null, ptr null)
; CHECK-NEXT:    br i1 false, label %[[BB3:.*]], label %[[BB7:.*]]
; CHECK:       [[BB3]]:
; CHECK-NEXT:    [[TMP4:%.*]] = call double null(ptr null, ptr null, ptr null)
; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <4 x double> <double poison, double 0.000000e+00, double poison, double 0.000000e+00>, double [[TMP0]], i32 2
; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <4 x double> [[TMP5]], double [[TMP4]], i32 0
; CHECK-NEXT:    br label %[[BB7]]
; CHECK:       [[BB7]]:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x double> [ [[TMP6]], %[[BB3]] ], [ zeroinitializer, [[DOTTHREAD:%.*]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x double> poison, double [[TMP2]], i32 0
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x double> [[TMP9]], double [[TMP1]], i32 1
; CHECK-NEXT:    [[TMP11:%.*]] = shufflevector <4 x double> [[TMP8]], <4 x double> poison, <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP13:%.*]] = shufflevector <2 x double> [[TMP10]], <2 x double> poison, <6 x i32> <i32 0, i32 1, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP12:%.*]] = shufflevector <6 x double> [[TMP11]], <6 x double> [[TMP13]], <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 6, i32 7>
; CHECK-NEXT:    br i1 false, label %[[DOTLR_PH272_PREHEADER:.*]], [[DOT_CRIT_EDGE:label %.*]]
; CHECK:       [[_LR_PH272_PREHEADER:.*:]]
; CHECK-NEXT:    br i1 false, [[DOT_CRIT_EDGE]], label %[[BB14:.*]]
; CHECK:       [[BB14]]:
; CHECK-NEXT:    [[TMP14:%.*]] = shufflevector <6 x double> [[TMP12]], <6 x double> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    [[TMP15:%.*]] = shufflevector <4 x double> [[TMP14]], <4 x double> poison, <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP17:%.*]] = shufflevector <6 x double> [[TMP15]], <6 x double> <double 0x7FF8000000000000, double 0x7FF8000000000000, double undef, double undef, double undef, double undef>, <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 6, i32 7>
; CHECK-NEXT:    br i1 false, label %[[BB18:.*]], [[DOT_CRIT_EDGE]]
; CHECK:       [[BB18]]:
; CHECK-NEXT:    [[TMP18:%.*]] = insertelement <6 x double> <double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double poison, double 0.000000e+00, double 0.000000e+00>, double [[TMP0]], i32 3
; CHECK-NEXT:    br [[DOT_CRIT_EDGE]]
; CHECK:       [[__CRIT_EDGE:.*:]]
; CHECK-NEXT:    [[TMP20:%.*]] = phi <6 x double> [ [[TMP12]], %[[BB7]] ], [ [[TMP18]], %[[BB18]] ], [ [[TMP17]], %[[BB14]] ], [ [[TMP12]], %[[DOTLR_PH272_PREHEADER]] ]
; CHECK-NEXT:    ret void
;
.thread:
  %1 = call double null(ptr null, ptr null, ptr null)
  %2 = call double null(ptr null, ptr null, ptr null)
  br i1 false, label %3, label %5

3:
  %4 = call double null(ptr null, ptr null, ptr null)
  br label %5

5:
  %.1226 = phi double [ %4, %3 ], [ 0.000000e+00, %.thread ]
  %.1222 = phi double [ 0.000000e+00, %3 ], [ 0.000000e+00, %.thread ]
  %.1218 = phi double [ %0, %3 ], [ 0.000000e+00, %.thread ]
  %.1216 = phi double [ 0.000000e+00, %3 ], [ 0.000000e+00, %.thread ]
  br i1 false, label %.lr.ph272.preheader, label %._crit_edge

.lr.ph272.preheader:
  br i1 false, label %._crit_edge, label %6

6:
  %7 = fdiv double 0.000000e+00, 0.000000e+00
  %8 = fsub double 0.000000e+00, %7
  %9 = fdiv double 0.000000e+00, 0.000000e+00
  %10 = fsub double 0.000000e+00, %9
  br i1 false, label %11, label %._crit_edge

11:
  br label %._crit_edge

._crit_edge:
  %.2227.lcssa = phi double [ %.1226, %5 ], [ 0.000000e+00, %11 ], [ %.1226, %6 ], [ %.1226, %.lr.ph272.preheader ]
  %.2223.lcssa = phi double [ %.1222, %5 ], [ 0.000000e+00, %11 ], [ %.1222, %6 ], [ %.1222, %.lr.ph272.preheader ]
  %.2219.lcssa = phi double [ %.1218, %5 ], [ 0.000000e+00, %11 ], [ %.1218, %6 ], [ %.1218, %.lr.ph272.preheader ]
  %.2.lcssa = phi double [ %.1216, %5 ], [ %0, %11 ], [ %.1216, %6 ], [ %.1216, %.lr.ph272.preheader ]
  %.0213.lcssa = phi double [ %2, %5 ], [ 0.000000e+00, %11 ], [ %10, %6 ], [ %2, %.lr.ph272.preheader ]
  %.0211.lcssa = phi double [ %1, %5 ], [ 0.000000e+00, %11 ], [ %8, %6 ], [ %1, %.lr.ph272.preheader ]
  ret void
}