; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instsimplify < %s -S | FileCheck %s

define <4 x i1> @vector_reverse_fpclass(<4 x double> nofpclass(nzero nan) %x) {
; CHECK-LABEL: @vector_reverse_fpclass(
; CHECK-NEXT:    ret <4 x i1> splat (i1 true)
;
  %x.abs = call <4 x double> @llvm.fabs.v4f64(<4 x double> %x)
  %op = call <4 x double> @llvm.vector.reverse(<4 x double> %x.abs)
  %cmp = fcmp oge <4 x double> %op, <double 0.0, double 0.0, double 0.0, double 0.0>
  ret <4 x i1> %cmp
}

define <4 x i1> @vector_reverse_fpclass2(<4 x double> nofpclass(nzero) %x) {
; CHECK-LABEL: @vector_reverse_fpclass2(
; CHECK-NEXT:    [[X_ABS:%.*]] = call <4 x double> @llvm.fabs.v4f64(<4 x double> [[X:%.*]])
; CHECK-NEXT:    [[OP:%.*]] = call <4 x double> @llvm.vector.reverse.v4f64(<4 x double> [[X_ABS]])
; CHECK-NEXT:    [[CMP:%.*]] = fcmp oge <4 x double> [[OP]], zeroinitializer
; CHECK-NEXT:    ret <4 x i1> [[CMP]]
;
  %x.abs = call <4 x double> @llvm.fabs.v4f64(<4 x double> %x)
  %op = call <4 x double> @llvm.vector.reverse(<4 x double> %x.abs)
  %cmp = fcmp oge <4 x double> %op, <double 0.0, double 0.0, double 0.0, double 0.0>
  ret <4 x i1> %cmp
}

define i1 @vector_reverse_fpclass_demanded(<4 x double> %vec, double nofpclass(nzero nan) %x) {
; CHECK-LABEL: @vector_reverse_fpclass_demanded(
; CHECK-NEXT:    ret i1 true
;

  %x.abs = call double @llvm.fabs.f64(double %x)
  %vec.x = insertelement <4 x double> %vec, double %x.abs, i64 1
  %rev = call <4 x double> @llvm.vector.reverse(<4 x double> %vec.x)
  %ele = extractelement <4 x double> %rev, i64 2
  %cmp = fcmp oge double %ele, 0.0
  ret i1 %cmp
}

define i1 @vector_reverse_fpclass_demanded_fail(<4 x double> %vec, double nofpclass(nzero nan) %x) {
; CHECK-LABEL: @vector_reverse_fpclass_demanded_fail(
; CHECK-NEXT:    [[X_ABS:%.*]] = call double @llvm.fabs.f64(double [[X:%.*]])
; CHECK-NEXT:    [[VEC_X:%.*]] = insertelement <4 x double> [[VEC:%.*]], double [[X_ABS]], i64 1
; CHECK-NEXT:    [[REV:%.*]] = call <4 x double> @llvm.vector.reverse.v4f64(<4 x double> [[VEC_X]])
; CHECK-NEXT:    [[ELE:%.*]] = extractelement <4 x double> [[REV]], i64 1
; CHECK-NEXT:    [[CMP:%.*]] = fcmp oge double [[ELE]], 0.000000e+00
; CHECK-NEXT:    ret i1 [[CMP]]
;

  %x.abs = call double @llvm.fabs.f64(double %x)
  %vec.x = insertelement <4 x double> %vec, double %x.abs, i64 1
  %rev = call <4 x double> @llvm.vector.reverse(<4 x double> %vec.x)
  %ele = extractelement <4 x double> %rev, i64 1
  %cmp = fcmp oge double %ele, 0.0
  ret i1 %cmp
}