llvm/test/Transforms/InstCombine/bitcast-select-const-vector.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

define double @bitcast_v2i32_select_to_double_const_rhs(double %i, <2 x i32> %i41) {
; CHECK-LABEL: define double @bitcast_v2i32_select_to_double_const_rhs(
; CHECK-SAME: double [[I:%.*]], <2 x i32> [[I41:%.*]]) {
; CHECK-NEXT:    [[I42:%.*]] = fcmp one double [[I]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i32> [[I41]] to double
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[I42]], double [[TMP1]], double 0x7FF8000000000000
; CHECK-NEXT:    ret double [[ASTYPE13_I_I]]
;
  %i42 = fcmp one double %i, 0x7FF0000000000000
  %s.0.i.i = select i1 %i42, <2 x i32> %i41, <2 x i32> <i32 0, i32 2146959360>
  %astype13.i.i = bitcast <2 x i32> %s.0.i.i to double
  ret double %astype13.i.i
}

define double @bitcast_v2i32_select_to_double_const_lhs(double %i, <2 x i32> %i41) {
; CHECK-LABEL: define double @bitcast_v2i32_select_to_double_const_lhs(
; CHECK-SAME: double [[I:%.*]], <2 x i32> [[I41:%.*]]) {
; CHECK-NEXT:    [[I42:%.*]] = fcmp one double [[I]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i32> [[I41]] to double
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[I42]], double 0x7FF8000000000000, double [[TMP1]]
; CHECK-NEXT:    ret double [[ASTYPE13_I_I]]
;
  %i42 = fcmp one double %i, 0x7FF0000000000000
  %s.0.i.i = select i1 %i42, <2 x i32> <i32 0, i32 2146959360>, <2 x i32> %i41
  %astype13.i.i = bitcast <2 x i32> %s.0.i.i to double
  ret double %astype13.i.i
}

define <2 x i32> @bitcast_select_double_to_v2i32_const_rhs(i64 %i, double %i41) {
; CHECK-LABEL: define <2 x i32> @bitcast_select_double_to_v2i32_const_rhs(
; CHECK-SAME: i64 [[I:%.*]], double [[I41:%.*]]) {
; CHECK-NEXT:    [[I42_NOT:%.*]] = icmp eq i64 [[I]], 0
; CHECK-NEXT:    [[S_0_I_I:%.*]] = select nnan i1 [[I42_NOT]], double 1.000000e+00, double [[I41]]
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = bitcast double [[S_0_I_I]] to <2 x i32>
; CHECK-NEXT:    ret <2 x i32> [[ASTYPE13_I_I]]
;
  %i42 = icmp ne i64 %i, 0
  %s.0.i.i = select nnan i1 %i42, double %i41, double 1.0
  %astype13.i.i = bitcast double %s.0.i.i to <2 x i32>
  ret <2 x i32> %astype13.i.i
}

define <2 x i32> @bitcast_select_double_to_v2i32_const_lhs(i64 %i, double %i41) {
; CHECK-LABEL: define <2 x i32> @bitcast_select_double_to_v2i32_const_lhs(
; CHECK-SAME: i64 [[I:%.*]], double [[I41:%.*]]) {
; CHECK-NEXT:    [[I42_NOT:%.*]] = icmp eq i64 [[I]], 0
; CHECK-NEXT:    [[S_0_I_I:%.*]] = select nnan i1 [[I42_NOT]], double [[I41]], double 1.000000e+00
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = bitcast double [[S_0_I_I]] to <2 x i32>
; CHECK-NEXT:    ret <2 x i32> [[ASTYPE13_I_I]]
;
  %i42 = icmp ne i64 %i, 0
  %s.0.i.i = select nnan i1 %i42, double 1.0, double %i41
  %astype13.i.i = bitcast double %s.0.i.i to <2 x i32>
  ret <2 x i32> %astype13.i.i
}

; Negative test, don't do for vselect
define double @bitcast_v2i32_vselect_to_double_const_rhs(<2 x double> %cmp.vec, <2 x i32> %val) {
; CHECK-LABEL: define double @bitcast_v2i32_vselect_to_double_const_rhs(
; CHECK-SAME: <2 x double> [[CMP_VEC:%.*]], <2 x i32> [[VAL:%.*]]) {
; CHECK-NEXT:    [[VCMP:%.*]] = fcmp one <2 x double> [[CMP_VEC]], splat (double 0x7FF0000000000000)
; CHECK-NEXT:    [[S_0_I_I:%.*]] = select <2 x i1> [[VCMP]], <2 x i32> [[VAL]], <2 x i32> <i32 0, i32 2146959360>
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = bitcast <2 x i32> [[S_0_I_I]] to double
; CHECK-NEXT:    ret double [[ASTYPE13_I_I]]
;
  %vcmp = fcmp one <2 x double> %cmp.vec, splat (double 0x7FF0000000000000)
  %select = select <2 x i1> %vcmp, <2 x i32> %val, <2 x i32> <i32 0, i32 2146959360>
  %cast = bitcast <2 x i32> %select to double
  ret double %cast
}

define <2 x float> @bitcast_v4i16_select_to_v2f32_const_lhs(double %arg, <4 x i16> %vec.v4i16) {
; CHECK-LABEL: define <2 x float> @bitcast_v4i16_select_to_v2f32_const_lhs(
; CHECK-SAME: double [[ARG:%.*]], <4 x i16> [[VEC_V4I16:%.*]]) {
; CHECK-NEXT:    [[CMP:%.*]] = fcmp one double [[ARG]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <4 x i16> [[VEC_V4I16]] to <2 x float>
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[CMP]], <2 x float> <float 0x4372A00000000000, float 0xB8B744E1E0000000>, <2 x float> [[TMP1]]
; CHECK-NEXT:    ret <2 x float> [[ASTYPE13_I_I]]
;
  %cmp = fcmp one double %arg, 0x7FF0000000000000
  %select = select i1 %cmp, <4 x i16> <i16 0, i16 23445, i16 9999, i16 34234>, <4 x i16> %vec.v4i16
  %astype13.i.i = bitcast <4 x i16> %select to <2 x float>
  ret <2 x float> %astype13.i.i
}

define <2 x float> @bitcast_v4i16_select_to_v2f32_const_rhs(double %arg, <4 x i16> %vec.v4i16) {
; CHECK-LABEL: define <2 x float> @bitcast_v4i16_select_to_v2f32_const_rhs(
; CHECK-SAME: double [[ARG:%.*]], <4 x i16> [[VEC_V4I16:%.*]]) {
; CHECK-NEXT:    [[CMP:%.*]] = fcmp one double [[ARG]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <4 x i16> [[VEC_V4I16]] to <2 x float>
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[CMP]], <2 x float> [[TMP1]], <2 x float> <float 0x4372A00000000000, float 0xB8B744E1E0000000>
; CHECK-NEXT:    ret <2 x float> [[ASTYPE13_I_I]]
;
  %cmp = fcmp one double %arg, 0x7FF0000000000000
  %select = select i1 %cmp, <4 x i16> %vec.v4i16, <4 x i16> <i16 0, i16 23445, i16 9999, i16 34234>
  %astype13.i.i = bitcast <4 x i16> %select to <2 x float>
  ret <2 x float> %astype13.i.i
}

define <2 x float> @bitcast_v2i32_select_to_v2f32_const_rhs(double %arg, <2 x i32> %vec) {
; CHECK-LABEL: define <2 x float> @bitcast_v2i32_select_to_v2f32_const_rhs(
; CHECK-SAME: double [[ARG:%.*]], <2 x i32> [[VEC:%.*]]) {
; CHECK-NEXT:    [[I42:%.*]] = fcmp one double [[ARG]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i32> [[VEC]] to <2 x float>
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[I42]], <2 x float> [[TMP1]], <2 x float> <float 0.000000e+00, float 0x7FFF000000000000>
; CHECK-NEXT:    ret <2 x float> [[ASTYPE13_I_I]]
;
  %cmp = fcmp one double %arg, 0x7FF0000000000000
  %s.0.i.i = select i1 %cmp, <2 x i32> %vec, <2 x i32> <i32 0, i32 2146959360>
  %astype13.i.i = bitcast <2 x i32> %s.0.i.i to <2 x float>
  ret <2 x float> %astype13.i.i
}

define <2 x float> @bitcast_v2i32_select_to_v2f32_const_lhs(double %arg, <2 x i32> %vec) {
; CHECK-LABEL: define <2 x float> @bitcast_v2i32_select_to_v2f32_const_lhs(
; CHECK-SAME: double [[ARG:%.*]], <2 x i32> [[VEC:%.*]]) {
; CHECK-NEXT:    [[CMP:%.*]] = fcmp one double [[ARG]], 0x7FF0000000000000
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i32> [[VEC]] to <2 x float>
; CHECK-NEXT:    [[ASTYPE13_I_I:%.*]] = select i1 [[CMP]], <2 x float> <float 0.000000e+00, float 0x7FFF000000000000>, <2 x float> [[TMP1]]
; CHECK-NEXT:    ret <2 x float> [[ASTYPE13_I_I]]
;
  %cmp = fcmp one double %arg, 0x7FF0000000000000
  %s.0.i.i = select i1 %cmp, <2 x i32> <i32 0, i32 2146959360>, <2 x i32> %vec
  %astype13.i.i = bitcast <2 x i32> %s.0.i.i to <2 x float>
  ret <2 x float> %astype13.i.i
}