; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instsimplify -S -data-layout="e-p:32:32:32-i1:8:8-i8:8:8-f64:32:64-v64:64:64-v128:128:128" | FileCheck %s --check-prefixes=CHECK,LE
; RUN: opt < %s -passes=instsimplify -use-constant-int-for-fixed-length-splat -S -data-layout="e-p:32:32:32-i1:8:8-i8:8:8-f64:32:64-v64:64:64-v128:128:128" | FileCheck %s --check-prefixes=CHECK,LE
; RUN: opt < %s -passes=instsimplify -S -data-layout="E-p:32:32:32-i1:8:8-i8:8:8-f64:32:64-v64:64:64-v128:128:128" | FileCheck %s --check-prefixes=CHECK,BE

define <2 x i64> @test1() {
; LE-LABEL: @test1(
; LE-NEXT:    ret <2 x i64> <i64 4294967296, i64 12884901890>
;
; BE-LABEL: @test1(
; BE-NEXT:    ret <2 x i64> <i64 1, i64 8589934595>
;
  %tmp3 = bitcast <4 x i32> < i32 0, i32 1, i32 2, i32 3 > to <2 x i64>
  ret <2 x i64> %tmp3
}

define <4 x i32> @test2() {
; LE-LABEL: @test2(
; LE-NEXT:    ret <4 x i32> <i32 0, i32 0, i32 1, i32 0>
;
; BE-LABEL: @test2(
; BE-NEXT:    ret <4 x i32> <i32 0, i32 0, i32 0, i32 1>
;
  %tmp3 = bitcast <2 x i64> < i64 0, i64 1 > to <4 x i32>
  ret <4 x i32> %tmp3
}

define <2 x double> @test3() {
; LE-LABEL: @test3(
; LE-NEXT:    ret <2 x double> <double f0x0000000100000000, double f0x0000000300000002>
;
; BE-LABEL: @test3(
; BE-NEXT:    ret <2 x double> <double 4.940660e-324, double f0x0000000200000003>
;
  %tmp3 = bitcast <4 x i32> < i32 0, i32 1, i32 2, i32 3 > to <2 x double>
  ret <2 x double> %tmp3
}

define <4 x float> @test4() {
; LE-LABEL: @test4(
; LE-NEXT:    ret <4 x float> <float 0.000000e+00, float 0.000000e+00, float 1.401300e-45, float 0.000000e+00>
;
; BE-LABEL: @test4(
; BE-NEXT:    ret <4 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.401300e-45>
;
  %tmp3 = bitcast <2 x i64> < i64 0, i64 1 > to <4 x float>
  ret <4 x float> %tmp3
}

define <2 x i64> @test5() {
; LE-LABEL: @test5(
; LE-NEXT:    ret <2 x i64> <i64 4575657221408423936, i64 4629700418010611712>
;
; BE-LABEL: @test5(
; BE-NEXT:    ret <2 x i64> <i64 1065353216, i64 4611686019505324032>
;
  %tmp3 = bitcast <4 x float> <float 0.0, float 1.0, float 2.0, float 3.0> to <2 x i64>
  ret <2 x i64> %tmp3
}

define <4 x i32> @test6() {
; LE-LABEL: @test6(
; LE-NEXT:    ret <4 x i32> <i32 0, i32 1071644672, i32 0, i32 1072693248>
;
; BE-LABEL: @test6(
; BE-NEXT:    ret <4 x i32> <i32 1071644672, i32 0, i32 1072693248, i32 0>
;
  %tmp3 = bitcast <2 x double> <double 0.5, double 1.0> to <4 x i32>
  ret <4 x i32> %tmp3
}

define i32 @test7() {
; LE-LABEL: @test7(
; LE-NEXT:    ret i32 1118464
;
; BE-LABEL: @test7(
; BE-NEXT:    ret i32 285212689
;
  %tmp3 = bitcast <2 x half> <half 0xH1100, half 0xH0011> to i32
  ret i32 %tmp3
}

define <4 x i32> @test8(<1 x i64> %y) {
; CHECK-LABEL: @test8(
; CHECK-NEXT:    ret <4 x i32> zeroinitializer
;
  %c = bitcast <2 x i64> <i64 0, i64 0> to <4 x i32>
  ret <4 x i32> %c
}

define <4 x i32> @test9(<1 x i64> %y) {
; CHECK-LABEL: @test9(
; CHECK-NEXT:    ret <4 x i32> splat (i32 -1)
;
  %c = bitcast <2 x i64> <i64 -1, i64 -1> to <4 x i32>
  ret <4 x i32> %c
}

define <1 x i1> @test10() {
; CHECK-LABEL: @test10(
; CHECK-NEXT:    ret <1 x i1> zeroinitializer
;
  %ret = icmp eq <1 x i64> <i64 bitcast (<1 x double> <double 0xFFFFFFFFFFFFFFFF> to i64)>, zeroinitializer
  ret <1 x i1> %ret
}

define <4 x i24> @test11() {
; LE-LABEL: @test11(
; LE-NEXT:    ret <4 x i24> <i24 1, i24 256, i24 65536, i24 0>
;
; BE-LABEL: @test11(
; BE-NEXT:    ret <4 x i24> <i24 0, i24 65536, i24 256, i24 1>
;
  %c = bitcast <3 x i32> <i32 1, i32 1, i32 1> to <4 x i24>
  ret <4 x i24> %c
}

define <8 x i24> @test12() {
; LE-LABEL: @test12(
; LE-NEXT:    ret <8 x i24> splat (i24 1)
;
; BE-LABEL: @test12(
; BE-NEXT:    ret <8 x i24> <i24 256, i24 256, i24 257, i24 1, i24 1, i24 0, i24 65536, i24 65536>
;
  %c = bitcast <3 x i64> <i64 281474993487873, i64 72057598332895488, i64 1099511693312> to <8 x i24>
  ret <8 x i24> %c
}

define <3 x i32> @test13() {
; LE-LABEL: @test13(
; LE-NEXT:    ret <3 x i32> splat (i32 1)
;
; BE-LABEL: @test13(
; BE-NEXT:    ret <3 x i32> <i32 256, i32 16777472, i32 0>
;
  %c = bitcast <4 x i24> <i24 1, i24 256, i24 65536, i24 0> to <3 x i32>
  ret <3 x i32> %c
}

define <3 x i64> @test14() {
; LE-LABEL: @test14(
; LE-NEXT:    ret <3 x i64> <i64 281474993487873, i64 72057598332895488, i64 1099511693312>
;
; BE-LABEL: @test14(
; BE-NEXT:    ret <3 x i64> <i64 1099511693312, i64 72057598332895488, i64 281474993487873>
;
  %c = bitcast <8 x i24> splat (i24 1) to <3 x i64>
  ret <3 x i64> %c
}

; from MultiSource/Benchmarks/Bullet
define <2 x float> @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT:    ret <2 x float> splat (float -nan(0x3FFFFF))
;
  %cast = bitcast i64 -1 to <2 x float>
  ret <2 x float> %cast
}


define <2 x double> @foo2() {
; CHECK-LABEL: @foo2(
; CHECK-NEXT:    ret <2 x double> splat (double -nan(0x7FFFFFFFFFFFF))
;
  %cast = bitcast i128 -1 to <2 x double>
  ret <2 x double> %cast
}

define <1 x float> @foo3() {
; CHECK-LABEL: @foo3(
; CHECK-NEXT:    ret <1 x float> splat (float -nan(0x3FFFFF))
;
  %cast = bitcast i32 -1 to <1 x float>
  ret <1 x float> %cast
}

define float @foo4() {
; CHECK-LABEL: @foo4(
; CHECK-NEXT:    ret float -nan(0x3FFFFF)
;
  %cast = bitcast <1 x i32 ><i32 -1> to float
  ret float %cast
}

define double @foo5() {
; CHECK-LABEL: @foo5(
; CHECK-NEXT:    ret double -nan(0x7FFFFFFFFFFFF)
;
  %cast = bitcast <2 x i32 ><i32 -1, i32 -1> to double
  ret double %cast
}

define <2 x double> @foo6() {
; CHECK-LABEL: @foo6(
; CHECK-NEXT:    ret <2 x double> splat (double -nan(0x7FFFFFFFFFFFF))
;
  %cast = bitcast <4 x i32><i32 -1, i32 -1, i32 -1, i32 -1> to <2 x double>
  ret <2 x double> %cast
}

define <4 x i32> @bitcast_constexpr_4i32_2i64_u2() {
; LE-LABEL: @bitcast_constexpr_4i32_2i64_u2(
; LE-NEXT:    ret <4 x i32> <i32 undef, i32 undef, i32 2, i32 0>
;
; BE-LABEL: @bitcast_constexpr_4i32_2i64_u2(
; BE-NEXT:    ret <4 x i32> <i32 undef, i32 undef, i32 0, i32 2>
;
  %cast = bitcast <2 x i64><i64 undef, i64 2> to <4 x i32>
  ret <4 x i32> %cast
}

define <4 x i32> @bitcast_constexpr_4i32_2i64_1u() {
; LE-LABEL: @bitcast_constexpr_4i32_2i64_1u(
; LE-NEXT:    ret <4 x i32> <i32 1, i32 0, i32 undef, i32 undef>
;
; BE-LABEL: @bitcast_constexpr_4i32_2i64_1u(
; BE-NEXT:    ret <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
;
  %cast = bitcast <2 x i64><i64 1, i64 undef> to <4 x i32>
  ret <4 x i32> %cast
}

define <4 x i32> @bitcast_constexpr_4i32_2i64() {
; LE-LABEL: @bitcast_constexpr_4i32_2i64(
; LE-NEXT:    ret <4 x i32> <i32 undef, i32 undef, i32 2, i32 0>
;
; BE-LABEL: @bitcast_constexpr_4i32_2i64(
; BE-NEXT:    ret <4 x i32> <i32 undef, i32 undef, i32 0, i32 2>
;
  %cast = bitcast <2 x i64><i64 undef, i64 2> to <4 x i32>
  ret <4 x i32> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_2i64_u2() {
; LE-LABEL: @bitcast_constexpr_8i16_2i64_u2(
; LE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 2, i16 0, i16 0, i16 0>
;
; BE-LABEL: @bitcast_constexpr_8i16_2i64_u2(
; BE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 0, i16 0, i16 2>
;
  %cast = bitcast <2 x i64><i64 undef, i64 2> to <8 x i16>
  ret <8 x i16> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_2i64_1u() {
; LE-LABEL: @bitcast_constexpr_8i16_2i64_1u(
; LE-NEXT:    ret <8 x i16> <i16 1, i16 0, i16 0, i16 0, i16 undef, i16 undef, i16 undef, i16 undef>
;
; BE-LABEL: @bitcast_constexpr_8i16_2i64_1u(
; BE-NEXT:    ret <8 x i16> <i16 0, i16 0, i16 0, i16 1, i16 undef, i16 undef, i16 undef, i16 undef>
;
  %cast = bitcast <2 x i64><i64 1, i64 undef> to <8 x i16>
  ret <8 x i16> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_2i64_u65536() {
; LE-LABEL: @bitcast_constexpr_8i16_2i64_u65536(
; LE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 1, i16 0, i16 0>
;
; BE-LABEL: @bitcast_constexpr_8i16_2i64_u65536(
; BE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 0, i16 1, i16 0>
;
  %cast = bitcast <2 x i64><i64 undef, i64 65536> to <8 x i16>
  ret <8 x i16> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_2i64_u2() {
; LE-LABEL: @bitcast_constexpr_16i8_2i64_u2(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 2, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>
;
; BE-LABEL: @bitcast_constexpr_16i8_2i64_u2(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 2>
;
  %cast = bitcast <2 x i64><i64 undef, i64 2> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_2i64_256u() {
; LE-LABEL: @bitcast_constexpr_16i8_2i64_256u(
; LE-NEXT:    ret <16 x i8> <i8 0, i8 1, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>
;
; BE-LABEL: @bitcast_constexpr_16i8_2i64_256u(
; BE-NEXT:    ret <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 1, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>
;
  %cast = bitcast <2 x i64><i64 256, i64 undef> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_2i64_u256() {
; LE-LABEL: @bitcast_constexpr_16i8_2i64_u256(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 1, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>
;
; BE-LABEL: @bitcast_constexpr_16i8_2i64_u256(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 1, i8 0>
;
  %cast = bitcast <2 x i64><i64 undef, i64 256> to <16 x i8>
  ret <16 x i8> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_4i32_uu22() {
; LE-LABEL: @bitcast_constexpr_8i16_4i32_uu22(
; LE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 2, i16 0, i16 2, i16 0>
;
; BE-LABEL: @bitcast_constexpr_8i16_4i32_uu22(
; BE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 2, i16 0, i16 2>
;
  %cast = bitcast <4 x i32><i32 undef, i32 undef, i32 2, i32 2> to <8 x i16>
  ret <8 x i16> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_4i32_10uu() {
; LE-LABEL: @bitcast_constexpr_8i16_4i32_10uu(
; LE-NEXT:    ret <8 x i16> <i16 1, i16 0, i16 0, i16 0, i16 undef, i16 undef, i16 undef, i16 undef>
;
; BE-LABEL: @bitcast_constexpr_8i16_4i32_10uu(
; BE-NEXT:    ret <8 x i16> <i16 0, i16 1, i16 0, i16 0, i16 undef, i16 undef, i16 undef, i16 undef>
;
  %cast = bitcast <4 x i32><i32 1, i32 0, i32 undef, i32 undef> to <8 x i16>
  ret <8 x i16> %cast
}

define <8 x i16> @bitcast_constexpr_8i16_4i32_u257u256() {
; LE-LABEL: @bitcast_constexpr_8i16_4i32_u257u256(
; LE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 0, i16 1, i16 undef, i16 undef, i16 0, i16 1>
;
; BE-LABEL: @bitcast_constexpr_8i16_4i32_u257u256(
; BE-NEXT:    ret <8 x i16> <i16 undef, i16 undef, i16 1, i16 0, i16 undef, i16 undef, i16 1, i16 0>
;
  %cast = bitcast <4 x i32><i32 undef, i32 65536, i32 undef, i32 65536> to <8 x i16>
  ret <8 x i16> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_4i32_u2u2() {
; LE-LABEL: @bitcast_constexpr_16i8_4i32_u2u2(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 2, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 2, i8 0, i8 0, i8 0>
;
; BE-LABEL: @bitcast_constexpr_16i8_4i32_u2u2(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 2, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 2>
;
  %cast = bitcast <4 x i32><i32 undef, i32 2, i32 undef, i32 2> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_4i32_1u1u() {
; LE-LABEL: @bitcast_constexpr_16i8_4i32_1u1u(
; LE-NEXT:    ret <16 x i8> <i8 1, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 1, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef>
;
; BE-LABEL: @bitcast_constexpr_16i8_4i32_1u1u(
; BE-NEXT:    ret <16 x i8> <i8 0, i8 0, i8 0, i8 1, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 1, i8 undef, i8 undef, i8 undef, i8 undef>
;
  %cast = bitcast <4 x i32><i32 1, i32 undef, i32 1, i32 undef> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_4i32_u256uu() {
; LE-LABEL: @bitcast_constexpr_16i8_4i32_u256uu(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 1, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>
;
; BE-LABEL: @bitcast_constexpr_16i8_4i32_u256uu(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 1, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>
;
  %cast = bitcast <4 x i32><i32 undef, i32 256, i32 undef, i32 undef> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_8i16_u2u2u2u2() {
; LE-LABEL: @bitcast_constexpr_16i8_8i16_u2u2u2u2(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 2, i8 0, i8 undef, i8 undef, i8 2, i8 0, i8 undef, i8 undef, i8 2, i8 0, i8 undef, i8 undef, i8 2, i8 0>
;
; BE-LABEL: @bitcast_constexpr_16i8_8i16_u2u2u2u2(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 0, i8 2, i8 undef, i8 undef, i8 0, i8 2, i8 undef, i8 undef, i8 0, i8 2, i8 undef, i8 undef, i8 0, i8 2>
;
  %cast = bitcast <8 x i16><i16 undef, i16 2, i16 undef, i16 2, i16 undef, i16 2, i16 undef, i16 2> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_8i16_1u1u1u1u() {
; LE-LABEL: @bitcast_constexpr_16i8_8i16_1u1u1u1u(
; LE-NEXT:    ret <16 x i8> <i8 1, i8 0, i8 undef, i8 undef, i8 1, i8 0, i8 undef, i8 undef, i8 1, i8 0, i8 undef, i8 undef, i8 1, i8 0, i8 undef, i8 undef>
;
; BE-LABEL: @bitcast_constexpr_16i8_8i16_1u1u1u1u(
; BE-NEXT:    ret <16 x i8> <i8 0, i8 1, i8 undef, i8 undef, i8 0, i8 1, i8 undef, i8 undef, i8 0, i8 1, i8 undef, i8 undef, i8 0, i8 1, i8 undef, i8 undef>
;
  %cast = bitcast <8 x i16><i16 1, i16 undef, i16 1, i16 undef, i16 1, i16 undef, i16 1, i16 undef> to <16 x i8>
  ret <16 x i8> %cast
}

define <16 x i8> @bitcast_constexpr_16i8_8i16_u256uuu256uu() {
; LE-LABEL: @bitcast_constexpr_16i8_8i16_u256uuu256uu(
; LE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 0, i8 1, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 1, i8 undef, i8 undef, i8 undef, i8 undef>
;
; BE-LABEL: @bitcast_constexpr_16i8_8i16_u256uuu256uu(
; BE-NEXT:    ret <16 x i8> <i8 undef, i8 undef, i8 1, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 1, i8 0, i8 undef, i8 undef, i8 undef, i8 undef>
;
  %cast = bitcast <8 x i16><i16 undef, i16 256, i16 undef, i16 undef, i16 undef, i16 256, i16 undef, i16 undef> to <16 x i8>
  ret <16 x i8> %cast
}

define <4 x i24> @bitcast_constexpr_4i24_3i32_u1u() {
; LE-LABEL: @bitcast_constexpr_4i24_3i32_u1u(
; LE-NEXT:    ret <4 x i24> <i24 undef, i24 256, i24 0, i24 undef>
;
; BE-LABEL: @bitcast_constexpr_4i24_3i32_u1u(
; BE-NEXT:    ret <4 x i24> <i24 undef, i24 0, i24 256, i24 undef>
;
  %cast = bitcast <3 x i32><i32 undef, i32 1, i32 undef> to <4 x i24>
  ret <4 x i24> %cast
}

define <3 x i32> @bitcast_constexpr_3i32_4i24_n1255uu() {
; LE-LABEL: @bitcast_constexpr_3i32_4i24_n1255uu(
; LE-NEXT:    ret <3 x i32> <i32 -1, i32 0, i32 undef>
;
; BE-LABEL: @bitcast_constexpr_3i32_4i24_n1255uu(
; BE-NEXT:    ret <3 x i32> <i32 -256, i32 0, i32 undef>
;
  %cast = bitcast <4 x i24><i24 -1, i24 255, i24 undef, i24 undef> to <3 x i32>
  ret <3 x i32> %cast
}

define <1 x i32> @bitcast_constexpr_scalar_fp_to_vector_int() {
; CHECK-LABEL: @bitcast_constexpr_scalar_fp_to_vector_int(
; CHECK-NEXT:    ret <1 x i32> splat (i32 1065353216)
;
  %res = bitcast float 1.0 to <1 x i32>
  ret <1 x i32> %res
}

define <2 x i64> @bitcast_constexpr_4f32_2i64_1111() {
; CHECK-LABEL: @bitcast_constexpr_4f32_2i64_1111(
; CHECK-NEXT:    ret <2 x i64> splat (i64 4575657222473777152)
;
  %res = bitcast <4 x float> splat (float 1.0) to <2 x i64>
  ret <2 x i64> %res
}

define <2 x b64> @bitcast_constexpr_16i8_2b64() {
; CHECK-LABEL: @bitcast_constexpr_16i8_2b64(
; CHECK-NEXT:    ret <2 x b64> splat (b64 144680345676153346)
;
  %res = bitcast <16 x i8> splat (i8 2) to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_16b8_2b64() {
; CHECK-LABEL: @bitcast_constexpr_16b8_2b64(
; CHECK-NEXT:    ret <2 x b64> splat (b64 144680345676153346)
;
  %res = bitcast <16 x b8> splat (b8 2) to <2 x b64>
  ret <2 x b64> %res
}

define <2 x i64> @bitcast_constexpr_4b32_2i64() {
; LE-LABEL: @bitcast_constexpr_4b32_2i64(
; LE-NEXT:    ret <2 x i64> <i64 4294967296, i64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4b32_2i64(
; BE-NEXT:    ret <2 x i64> <i64 1, i64 8589934595>
;
  %res = bitcast <4 x b32> <b32 0, b32 1, b32 2, b32 3> to <2 x i64>
  ret <2 x i64> %res
}

define <4 x i32> @bitcast_constexpr_2b64_4i32() {
; LE-LABEL: @bitcast_constexpr_2b64_4i32(
; LE-NEXT:    ret <4 x i32> <i32 0, i32 0, i32 1, i32 0>
;
; BE-LABEL: @bitcast_constexpr_2b64_4i32(
; BE-NEXT:    ret <4 x i32> <i32 0, i32 0, i32 0, i32 1>
;
  %res = bitcast <2 x b64> <b64 0, b64 1> to <4 x i32>
  ret <4 x i32> %res
}

define <2 x b64> @bitcast_constexpr_4i32_2b64() {
; LE-LABEL: @bitcast_constexpr_4i32_2b64(
; LE-NEXT:    ret <2 x b64> <b64 4294967296, b64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4i32_2b64(
; BE-NEXT:    ret <2 x b64> <b64 1, b64 8589934595>
;
  %res = bitcast <4 x i32> <i32 0, i32 1, i32 2, i32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <4 x b32> @bitcast_constexpr_2i64_4b32() {
; LE-LABEL: @bitcast_constexpr_2i64_4b32(
; LE-NEXT:    ret <4 x b32> <b32 0, b32 0, b32 1, b32 0>
;
; BE-LABEL: @bitcast_constexpr_2i64_4b32(
; BE-NEXT:    ret <4 x b32> <b32 0, b32 0, b32 0, b32 1>
;
  %res = bitcast <2 x i64> <i64 0, i64 1> to <4 x b32>
  ret <4 x b32> %res
}

define <2 x b64> @bitcast_constexpr_4b32_2b64() {
; LE-LABEL: @bitcast_constexpr_4b32_2b64(
; LE-NEXT:    ret <2 x b64> <b64 4294967296, b64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4b32_2b64(
; BE-NEXT:    ret <2 x b64> <b64 1, b64 8589934595>
;
  %res = bitcast <4 x b32> <b32 0, b32 1, b32 2, b32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <16 x b8> @bitcast_constexpr_2b64_16b8() {
; LE-LABEL: @bitcast_constexpr_2b64_16b8(
; LE-NEXT:    ret <16 x b8> <b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 1, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0>
;
; BE-LABEL: @bitcast_constexpr_2b64_16b8(
; BE-NEXT:    ret <16 x b8> <b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 0, b8 1>
;
  %res = bitcast <2 x b64> <b64 0, b64 1> to <16 x b8>
  ret <16 x b8> %res
}

define <2 x i32> @bitcast_constexpr_scalar_b64_to_vector_2i32() {
; LE-LABEL: @bitcast_constexpr_scalar_b64_to_vector_2i32(
; LE-NEXT:    ret <2 x i32> <i32 1, i32 0>
;
; BE-LABEL: @bitcast_constexpr_scalar_b64_to_vector_2i32(
; BE-NEXT:    ret <2 x i32> <i32 0, i32 1>
;
  %res = bitcast b64 1 to <2 x i32>
  ret <2 x i32> %res
}

define <2 x b32> @bitcast_constexpr_scalar_i64_to_vector_2b32() {
; LE-LABEL: @bitcast_constexpr_scalar_i64_to_vector_2b32(
; LE-NEXT:    ret <2 x b32> <b32 1, b32 0>
;
; BE-LABEL: @bitcast_constexpr_scalar_i64_to_vector_2b32(
; BE-NEXT:    ret <2 x b32> <b32 0, b32 1>
;
  %res = bitcast i64 1 to <2 x b32>
  ret <2 x b32> %res
}

define <2 x b64> @bitcast_constexpr_4f32_2b64() {
; CHECK-LABEL: @bitcast_constexpr_4f32_2b64(
; CHECK-NEXT:    ret <2 x b64> splat (b64 4575657222473777152)
;
  %res = bitcast <4 x float> splat (float 1.0) to <2 x b64>
  ret <2 x b64> %res
}

define <4 x float> @bitcast_constexpr_2b64_4f32() {
; LE-LABEL: @bitcast_constexpr_2b64_4f32(
; LE-NEXT:    ret <4 x float> <float 0.000000e+00, float 0.000000e+00, float 1.401300e-45, float 0.000000e+00>
;
; BE-LABEL: @bitcast_constexpr_2b64_4f32(
; BE-NEXT:    ret <4 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.401300e-45>
;
  %res = bitcast <2 x b64> <b64 0, b64 1> to <4 x float>
  ret <4 x float> %res
}

define <2 x i64> @bitcast_constexpr_allones_4b32_2i64() {
; CHECK-LABEL: @bitcast_constexpr_allones_4b32_2i64(
; CHECK-NEXT:    ret <2 x i64> splat (i64 -1)
;
  %res = bitcast <4 x b32> splat (b32 -1) to <2 x i64>
  ret <2 x i64> %res
}

define <4 x i32> @bitcast_constexpr_allones_4b32_4i32() {
; CHECK-LABEL: @bitcast_constexpr_allones_4b32_4i32(
; CHECK-NEXT:    ret <4 x i32> splat (i32 -1)
;
  %res = bitcast <4 x b32> splat (b32 -1) to <4 x i32>
  ret <4 x i32> %res
}

define <4 x b32> @bitcast_constexpr_allones_2i64_4b32() {
; CHECK-LABEL: @bitcast_constexpr_allones_2i64_4b32(
; CHECK-NEXT:    ret <4 x b32> splat (b32 -1)
;
  %res = bitcast <2 x i64> splat (i64 -1) to <4 x b32>
  ret <4 x b32> %res
}

define <4 x b32> @bitcast_constexpr_allones_4i32_4b32() {
; CHECK-LABEL: @bitcast_constexpr_allones_4i32_4b32(
; CHECK-NEXT:    ret <4 x b32> splat (b32 -1)
;
  %res = bitcast <4 x i32> splat (i32 -1) to <4 x b32>
  ret <4 x b32> %res
}

define <2 x b64> @bitcast_constexpr_4b32_2b64_poison() {
; CHECK-LABEL: @bitcast_constexpr_4b32_2b64_poison(
; CHECK-NEXT:    ret <2 x b64> bitcast (<4 x b32> <b32 poison, b32 1, b32 2, b32 3> to <2 x b64>)
;
  %res = bitcast <4 x b32> <b32 poison, b32 1, b32 2, b32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_4i32_2b64_poison() {
; CHECK-LABEL: @bitcast_constexpr_4i32_2b64_poison(
; CHECK-NEXT:    ret <2 x b64> bitcast (<4 x i32> <i32 0, i32 1, i32 poison, i32 3> to <2 x b64>)
;
  %res = bitcast <4 x i32> <i32 0, i32 1, i32 poison, i32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_4f32_2b64_poison() {
; CHECK-LABEL: @bitcast_constexpr_4f32_2b64_poison(
; CHECK-NEXT:    ret <2 x b64> bitcast (<4 x float> <float 1.000000e+00, float poison, float 2.000000e+00, float 3.000000e+00> to <2 x b64>)
;
  %res = bitcast <4 x float> <float 1.0, float poison, float 2.0, float 3.0> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_8b16_2b64_poison() {
; CHECK-LABEL: @bitcast_constexpr_8b16_2b64_poison(
; CHECK-NEXT:    ret <2 x b64> bitcast (<8 x b16> <b16 0, b16 1, b16 2, b16 poison, b16 4, b16 5, b16 6, b16 7> to <2 x b64>)
;
  %res = bitcast <8 x b16> <b16 0, b16 1, b16 2, b16 poison, b16 4, b16 5, b16 6, b16 7> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_4b32_2b64_all_poison_group() {
; LE-LABEL: @bitcast_constexpr_4b32_2b64_all_poison_group(
; LE-NEXT:    ret <2 x b64> <b64 poison, b64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4b32_2b64_all_poison_group(
; BE-NEXT:    ret <2 x b64> <b64 poison, b64 8589934595>
;
  %res = bitcast <4 x b32> <b32 poison, b32 poison, b32 2, b32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x b64> @bitcast_constexpr_4i32_2b64_all_poison_group() {
; LE-LABEL: @bitcast_constexpr_4i32_2b64_all_poison_group(
; LE-NEXT:    ret <2 x b64> <b64 poison, b64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4i32_2b64_all_poison_group(
; BE-NEXT:    ret <2 x b64> <b64 poison, b64 8589934595>
;
  %res = bitcast <4 x i32> <i32 poison, i32 poison, i32 2, i32 3> to <2 x b64>
  ret <2 x b64> %res
}

define <2 x i64> @bitcast_constexpr_4b32_2i64_poison() {
; LE-LABEL: @bitcast_constexpr_4b32_2i64_poison(
; LE-NEXT:    ret <2 x i64> <i64 poison, i64 12884901890>
;
; BE-LABEL: @bitcast_constexpr_4b32_2i64_poison(
; BE-NEXT:    ret <2 x i64> <i64 poison, i64 8589934595>
;
  %res = bitcast <4 x b32> <b32 poison, b32 1, b32 2, b32 3> to <2 x i64>
  ret <2 x i64> %res
}

define <4 x b32> @bitcast_constexpr_2b64_4b32_poison() {
; LE-LABEL: @bitcast_constexpr_2b64_4b32_poison(
; LE-NEXT:    ret <4 x b32> <b32 poison, b32 poison, b32 1, b32 0>
;
; BE-LABEL: @bitcast_constexpr_2b64_4b32_poison(
; BE-NEXT:    ret <4 x b32> <b32 poison, b32 poison, b32 0, b32 1>
;
  %res = bitcast <2 x b64> <b64 poison, b64 1> to <4 x b32>
  ret <4 x b32> %res
}

define <2 x b64> @bitcast_constexpr_4b32_2b64_all_poison() {
; CHECK-LABEL: @bitcast_constexpr_4b32_2b64_all_poison(
; CHECK-NEXT:    ret <2 x b64> poison
;
  %res = bitcast <4 x b32> splat (b32 poison) to <2 x b64>
  ret <2 x b64> %res
}

define <4 x i32> @bitcast_constexpr_2b64_4i32_poison() {
; LE-LABEL: @bitcast_constexpr_2b64_4i32_poison(
; LE-NEXT:    ret <4 x i32> <i32 poison, i32 poison, i32 1, i32 0>
;
; BE-LABEL: @bitcast_constexpr_2b64_4i32_poison(
; BE-NEXT:    ret <4 x i32> <i32 poison, i32 poison, i32 0, i32 1>
;
  %res = bitcast <2 x b64> <b64 poison, b64 1> to <4 x i32>
  ret <4 x i32> %res
}

define <2 x double> @bitcast_constexpr_4b32_2f64_poison() {
; LE-LABEL: @bitcast_constexpr_4b32_2f64_poison(
; LE-NEXT:    ret <2 x double> <double poison, double f0x0000000300000002>
;
; BE-LABEL: @bitcast_constexpr_4b32_2f64_poison(
; BE-NEXT:    ret <2 x double> <double poison, double f0x0000000200000003>
;
  %res = bitcast <4 x b32> <b32 poison, b32 1, b32 2, b32 3> to <2 x double>
  ret <2 x double> %res
}

define <4 x float> @bitcast_constexpr_2b64_4f32_poison() {
; LE-LABEL: @bitcast_constexpr_2b64_4f32_poison(
; LE-NEXT:    ret <4 x float> <float poison, float poison, float 1.401300e-45, float 0.000000e+00>
;
; BE-LABEL: @bitcast_constexpr_2b64_4f32_poison(
; BE-NEXT:    ret <4 x float> <float poison, float poison, float 0.000000e+00, float 1.401300e-45>
;
  %res = bitcast <2 x b64> <b64 poison, b64 1> to <4 x float>
  ret <4 x float> %res
}

define i128 @bitcast_constexpr_2b64_i128() {
; LE-LABEL: @bitcast_constexpr_2b64_i128(
; LE-NEXT:    ret i128 18446744073709551618
;
; BE-LABEL: @bitcast_constexpr_2b64_i128(
; BE-NEXT:    ret i128 36893488147419103233
;
  %res = bitcast <2 x b64> <b64 2, b64 1> to i128
  ret i128 %res
}

define i128 @bitcast_constexpr_2b64_i128_poison() {
; CHECK-LABEL: @bitcast_constexpr_2b64_i128_poison(
; CHECK-NEXT:    ret i128 poison
;
  %res = bitcast <2 x b64> <b64 poison, b64 1> to i128
  ret i128 %res
}

define double @bitcast_constexpr_2b32_f64() {
; LE-LABEL: @bitcast_constexpr_2b32_f64(
; LE-NEXT:    ret double f0x0000000100000002
;
; BE-LABEL: @bitcast_constexpr_2b32_f64(
; BE-NEXT:    ret double f0x0000000200000001
;
  %res = bitcast <2 x b32> <b32 2, b32 1> to double
  ret double %res
}

define double @bitcast_constexpr_2b32_f64_poison() {
; CHECK-LABEL: @bitcast_constexpr_2b32_f64_poison(
; CHECK-NEXT:    ret double poison
;
  %res = bitcast <2 x b32> <b32 poison, b32 1> to double
  ret double %res
}

define <3 x b8> @bitcast_constexpr_8b3_3b8() {
; LE-LABEL: @bitcast_constexpr_8b3_3b8(
; LE-NEXT:    ret <3 x b8> <b8 -120, b8 -58, b8 -6>
;
; BE-LABEL: @bitcast_constexpr_8b3_3b8(
; BE-NEXT:    ret <3 x b8> <b8 5, b8 57, b8 119>
;
  %res = bitcast <8 x b3> <b3 0, b3 1, b3 2, b3 3, b3 4, b3 5, b3 6, b3 7> to <3 x b8>
  ret <3 x b8> %res
}

define <3 x b8> @bitcast_constexpr_8b3_3b8_poison() {
; CHECK-LABEL: @bitcast_constexpr_8b3_3b8_poison(
; CHECK-NEXT:    ret <3 x b8> bitcast (<8 x b3> <b3 poison, b3 poison, b3 1, b3 2, b3 3, b3 -4, b3 -3, b3 -2> to <3 x b8>)
;
  %res = bitcast <8 x b3> <b3 poison, b3 poison, b3 1, b3 2, b3 3, b3 4, b3 5, b3 6> to <3 x b8>
  ret <3 x b8> %res
}

; TODO: this can be folded.
define <3 x i8> @bitcast_constexpr_8b3_3i8_poison() {
; CHECK-LABEL: @bitcast_constexpr_8b3_3i8_poison(
; CHECK-NEXT:    ret <3 x i8> bitcast (<8 x b3> <b3 poison, b3 poison, b3 1, b3 2, b3 3, b3 -4, b3 -3, b3 -2> to <3 x i8>)
;
  %res = bitcast <8 x b3> <b3 poison, b3 poison, b3 1, b3 2, b3 3, b3 4, b3 5, b3 6> to <3 x i8>
  ret <3 x i8> %res
}

; TODO: this can be folded.
define <3 x i8> @bitcast_constexpr_8b3_3i8_crossing_poison() {
; CHECK-LABEL: @bitcast_constexpr_8b3_3i8_crossing_poison(
; CHECK-NEXT:    ret <3 x i8> bitcast (<8 x b3> <b3 1, b3 2, b3 poison, b3 3, b3 -4, b3 -3, b3 -2, b3 -1> to <3 x i8>)
;
  %res = bitcast <8 x b3> <b3 1, b3 2, b3 poison, b3 3, b3 4, b3 5, b3 6, b3 7> to <3 x i8>
  ret <3 x i8> %res
}