; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -data-layout="e-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,LE
; RUN: opt < %s -data-layout="E-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,BE

; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
@g2 = constant double 1.0
; { 0x7B, 0x06B1BFF8 }
@g3 = constant {i64, i64} { i64 123, i64 112312312 }

; Simple load
define i32 @test1() {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    ret i32 -559038737
;
  %r = load i32, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0)
  ret i32 %r
}

; PR3152
; Load of first 16 bits of 32-bit value.
define i16 @test2() {
; LE-LABEL: @test2(
; LE-NEXT:    ret i16 -16657
;
; BE-LABEL: @test2(
; BE-NEXT:    ret i16 -8531
;
  %r = load i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0)
  ret i16 %r
}

define i16 @test2_addrspacecast() {
; LE-LABEL: @test2_addrspacecast(
; LE-NEXT:    ret i16 -16657
;
; BE-LABEL: @test2_addrspacecast(
; BE-NEXT:    ret i16 -8531
;
  %r = load i16, ptr addrspace(1) addrspacecast(ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0) to ptr addrspace(1))
  ret i16 %r
}

; Load of second 16 bits of 32-bit value.
define i16 @test3() {
; LE-LABEL: @test3(
; LE-NEXT:    ret i16 -8531
;
; BE-LABEL: @test3(
; BE-NEXT:    ret i16 -16657
;
  %r = load i16, ptr getelementptr(i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0), i32 1)
  ret i16 %r
}

; Load of 8 bit field + tail padding.
define i16 @test4() {
; LE-LABEL: @test4(
; LE-NEXT:    ret i16 186
;
; BE-LABEL: @test4(
; BE-NEXT:    ret i16 -17920
;
  %r = load i16, ptr getelementptr(i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0), i32 2)
  ret i16 %r
}

; Load of double bits.
define i64 @test6() {
; CHECK-LABEL: @test6(
; CHECK-NEXT:    ret i64 4607182418800017408
;
  %r = load i64, ptr @g2
  ret i64 %r
}

; Load of double bits.
define i16 @test7() {
; LE-LABEL: @test7(
; LE-NEXT:    ret i16 0
;
; BE-LABEL: @test7(
; BE-NEXT:    ret i16 16368
;
  %r = load i16, ptr @g2
  ret i16 %r
}

; Double load.
define double @test8() {
; LE-LABEL: @test8(
; LE-NEXT:    ret double f0x000000BADEADBEEF
;
; BE-LABEL: @test8(
; BE-NEXT:    ret double f0xDEADBEEFBA000000
;
  %r = load double, ptr @g1
  ret double %r
}


; i128 load.
define i128 @test_i128() {
; LE-LABEL: @test_i128(
; LE-NEXT:    ret i128 2071796475790618158476296315
;
; BE-LABEL: @test_i128(
; BE-NEXT:    ret i128 2268949521066387161080
;
  %r = load i128, ptr @g3
  ret i128 %r
}

define fp128 @test_fp128() {
; LE-LABEL: @test_fp128(
; LE-NEXT:    ret fp128 f0x0000000006B1BFF8000000000000007B
;
; BE-LABEL: @test_fp128(
; BE-NEXT:    ret fp128 f0x000000000000007B0000000006B1BFF8
;
  %r = load fp128, ptr @g3
  ret fp128 %r
}

define ppc_fp128 @test_ppc_fp128() {
; LE-LABEL: @test_ppc_fp128(
; LE-NEXT:    ret ppc_fp128 bitcast (i128 2071796475790618158476296315 to ppc_fp128)
;
; BE-LABEL: @test_ppc_fp128(
; BE-NEXT:    ret ppc_fp128 bitcast (i128 2268949521066387161080 to ppc_fp128)
;
  %r = load ppc_fp128, ptr @g3
  ret ppc_fp128 %r
}

define x86_fp80 @test_x86_fp80() {
; LE-LABEL: @test_x86_fp80(
; LE-NEXT:    ret x86_fp80 -snan(0x7B)
;
; BE-LABEL: @test_x86_fp80(
; BE-NEXT:    ret x86_fp80 f0x000000000000007B0000
;
  %r = load x86_fp80, ptr @g3
  ret x86_fp80 %r
}

define bfloat @test_bfloat() {
; LE-LABEL: @test_bfloat(
; LE-NEXT:    ret bfloat 1.129580e-38
;
; BE-LABEL: @test_bfloat(
; BE-NEXT:    ret bfloat 0.000000e+00
;
  %r = load bfloat, ptr @g3
  ret bfloat %r
}

; vector load.
define <2 x i64> @test10() {
; CHECK-LABEL: @test10(
; CHECK-NEXT:    ret <2 x i64> <i64 123, i64 112312312>
;
  %r = load <2 x i64>, ptr @g3
  ret <2 x i64> %r
}


; PR5287
; { 0xA1, 0x08 }
@g4 = internal constant { i8, i8 } { i8 -95, i8 8 }

define i16 @test11() nounwind {
; LE-LABEL: @test11(
; LE-NEXT:  entry:
; LE-NEXT:    ret i16 2209
;
; BE-LABEL: @test11(
; BE-NEXT:  entry:
; BE-NEXT:    ret i16 -24312
;
entry:
  %a = load i16, ptr @g4
  ret i16 %a
}


; PR5551
@test12g = private constant [6 x i8] c"a\00b\00\00\00"

define i16 @test12() {
; LE-LABEL: @test12(
; LE-NEXT:    ret i16 98
;
; BE-LABEL: @test12(
; BE-NEXT:    ret i16 25088
;
  %a = load i16, ptr getelementptr inbounds ([3 x i16], ptr @test12g, i32 0, i64 1)
  ret i16 %a
}


; PR5978
@g5 = constant i8 4
define i1 @test13() {
; CHECK-LABEL: @test13(
; CHECK-NEXT:    ret i1 false
;
  %A = load i1, ptr @g5
  ret i1 %A
}

@g6 = constant [2 x ptr] [ptr inttoptr (i64 1 to ptr), ptr inttoptr (i64 2 to ptr)]
define i64 @test14() nounwind {
; CHECK-LABEL: @test14(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i64 1
;
entry:
  %tmp = load i64, ptr @g6
  ret i64 %tmp
}

; Check with address space pointers
@g6_as1 = constant [2 x ptr addrspace(1)] [ptr addrspace(1) inttoptr (i16 1 to ptr addrspace(1)), ptr addrspace(1) inttoptr (i16 2 to ptr addrspace(1))]
define i16 @test14_as1() nounwind {
; CHECK-LABEL: @test14_as1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i16 1
;
entry:
  %tmp = load i16, ptr @g6_as1
  ret i16 %tmp
}

define i64 @test15() nounwind {
; CHECK-LABEL: @test15(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i64 2
;
entry:
  %tmp = load i64, ptr getelementptr inbounds ([2 x ptr], ptr @g6, i32 0, i64 1)
  ret i64 %tmp
}

@gv7 = constant [4 x ptr] [ptr null, ptr inttoptr (i64 -14 to ptr), ptr null, ptr null]
define i64 @test16.1() {
; CHECK-LABEL: @test16.1(
; CHECK-NEXT:    ret i64 0
;
  %v = load i64, ptr @gv7, align 8
  ret i64 %v
}

define i64 @test16.2() {
; CHECK-LABEL: @test16.2(
; CHECK-NEXT:    ret i64 -14
;
  %v = load i64, ptr getelementptr inbounds ([4 x ptr], ptr @gv7, i64 0, i64 1), align 8
  ret i64 %v
}

define i64 @test16.3() {
; CHECK-LABEL: @test16.3(
; CHECK-NEXT:    ret i64 0
;
  %v = load i64, ptr getelementptr inbounds ([4 x ptr], ptr @gv7, i64 0, i64 2), align 8
  ret i64 %v
}

@g7 = constant {[0 x i32], [0 x i8], ptr} { [0 x i32] poison, [0 x i8] poison, ptr null }

define ptr @test_leading_zero_size_elems() {
; CHECK-LABEL: @test_leading_zero_size_elems(
; CHECK-NEXT:    ret ptr null
;
  %v = load ptr, ptr @g7
  ret ptr %v
}

@g8 = constant {[4294967295 x [0 x i32]], i64} { [4294967295 x [0 x i32]] poison, i64 123 }

define i64 @test_leading_zero_size_elems_big() {
; CHECK-LABEL: @test_leading_zero_size_elems_big(
; CHECK-NEXT:    ret i64 123
;
  %v = load i64, ptr @g8
  ret i64 %v
}

@g9 = constant [4294967295 x [0 x i32]] zeroinitializer

define i64 @test_array_of_zero_size_array() {
; CHECK-LABEL: @test_array_of_zero_size_array(
; CHECK-NEXT:    ret i64 poison
;
  %v = load i64, ptr @g9
  ret i64 %v
}

@g_undef = constant { i128 } undef

define ptr @test_undef_aggregate() {
; CHECK-LABEL: @test_undef_aggregate(
; CHECK-NEXT:    ret ptr undef
;
  %v = load ptr, ptr @g_undef
  ret ptr %v
}

@g_poison = constant { i128 } poison

define ptr @test_poison_aggregate() {
; CHECK-LABEL: @test_poison_aggregate(
; CHECK-NEXT:    ret ptr poison
;
  %v = load ptr, ptr @g_poison
  ret ptr %v
}

@g11 = constant <{ [8 x i8], [8 x i8] }> <{ [8 x i8] poison, [8 x i8] zeroinitializer }>, align 4

define ptr @test_trailing_zero_gep_index() {
; CHECK-LABEL: @test_trailing_zero_gep_index(
; CHECK-NEXT:    ret ptr null
;
  %v = load ptr, ptr getelementptr inbounds (<{ [8 x i8], [8 x i8] }>, ptr @g11, i32 0, i32 1, i32 0), align 4
  ret ptr %v
}

define { i64, i64 } @test_load_struct() {
; CHECK-LABEL: @test_load_struct(
; CHECK-NEXT:    ret { i64, i64 } { i64 123, i64 112312312 }
;
  %v = load { i64, i64 }, ptr @g3
  ret { i64, i64 } %v
}

@g_offset = external global i64

@g_neg_one_vec = constant <4 x i8> <i8 -1, i8 -1, i8 -1, i8 -1>

define i8 @load_neg_one_at_unknown_offset() {
; CHECK-LABEL: @load_neg_one_at_unknown_offset(
; CHECK-NEXT:    ret i8 -1
;
  %v = load i8, ptr getelementptr (<4 x i8>, ptr @g_neg_one_vec, i64 0, i64 ptrtoint (ptr @g_offset to i64))
  ret i8 %v
}

@g_with_padding = constant { i32, [4 x i8] } { i32 0, [4 x i8] poison }

define i32 @load_padding() {
; CHECK-LABEL: @load_padding(
; CHECK-NEXT:    ret i32 poison
;
  %v = load i32, ptr getelementptr (i32, ptr @g_with_padding, i64 1)
  ret i32 %v
}

@g_all_poison = constant { i32, [4 x i8] } poison

; Same as the previous case, but with an all-poison initializer.
define i32 @load_all_poison() {
; CHECK-LABEL: @load_all_poison(
; CHECK-NEXT:    ret i32 poison
;
  %v = load i32, ptr getelementptr (i32, ptr @g_all_poison, i64 1)
  ret i32 %v
}

@g_i8_data = constant [16 x i8] c"\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00"

define ptr @load_ptr_from_i8_data() {
; LE-LABEL: @load_ptr_from_i8_data(
; LE-NEXT:    ret ptr inttoptr (i64 1 to ptr)
;
; BE-LABEL: @load_ptr_from_i8_data(
; BE-NEXT:    ret ptr inttoptr (i64 72057594037927936 to ptr)
;
  %v = load ptr, ptr @g_i8_data
  ret ptr %v
}

define ptr addrspace(2) @load_non_integral_ptr_from_i8_data() {
; CHECK-LABEL: @load_non_integral_ptr_from_i8_data(
; CHECK-NEXT:    [[V:%.*]] = load ptr addrspace(2), ptr @g_i8_data, align 8
; CHECK-NEXT:    ret ptr addrspace(2) [[V]]
;
  %v = load ptr addrspace(2), ptr @g_i8_data
  ret ptr addrspace(2) %v
}

@g_i1 = constant i1 true

define i8 @load_i8_from_i1() {
; CHECK-LABEL: @load_i8_from_i1(
; CHECK-NEXT:    [[V:%.*]] = load i8, ptr @g_i1, align 1
; CHECK-NEXT:    ret i8 [[V]]
;
  %v = load i8, ptr @g_i1
  ret i8 %v
}

@global9 = internal constant i9 -1

; Reproducer for https://github.com/llvm/llvm-project/issues/81793
define i8 @load_i8_from_i9() {
; CHECK-LABEL: @load_i8_from_i9(
; CHECK-NEXT:    [[V:%.*]] = load i8, ptr @global9, align 1
; CHECK-NEXT:    ret i8 [[V]]
;
  %v = load i8, ptr @global9
  ret i8 %v
}

define i9 @load_i9_from_i9() {
; CHECK-LABEL: @load_i9_from_i9(
; CHECK-NEXT:    ret i9 -1
;
  %v = load i9, ptr @global9
  ret i9 %v
}

; Reproducer for https://github.com/llvm/llvm-project/issues/81793
define i16 @load_i16_from_i17_store(ptr %p) {
; CHECK-LABEL: @load_i16_from_i17_store(
; CHECK-NEXT:    store i17 -1, ptr [[P:%.*]], align 4
; CHECK-NEXT:    [[V:%.*]] = load i16, ptr @global9, align 2
; CHECK-NEXT:    ret i16 [[V]]
;
  store i17 -1, ptr %p
  %v = load i16, ptr @global9
  ret i16 %v
}

@global128 = internal constant i128 1125899906842625
define i128 @load-128bit(){
; CHECK-LABEL: @load-128bit(
; CHECK-NEXT:    ret i128 1125899906842625
;
  %1 = load i128, ptr @global128, align 4
  ret i128 %1
}


@i40_struct = constant { i40, i8 } { i40 0, i8 1 }
@i40_array = constant [2 x i40] [i40 0, i40 1]

define i8 @load_i40_struct_padding() {
; CHECK-LABEL: @load_i40_struct_padding(
; CHECK-NEXT:    ret i8 0
;
  %v = load i8, ptr getelementptr (i8, ptr @i40_struct, i64 6)
  ret i8 %v
}

define i16 @load_i40_struct_partial_padding() {
; CHECK-LABEL: @load_i40_struct_partial_padding(
; CHECK-NEXT:    ret i16 0
;
  %v = load i16, ptr getelementptr (i8, ptr @i40_struct, i64 4)
  ret i16 %v
}

define i8 @load_i40_array_padding() {
; CHECK-LABEL: @load_i40_array_padding(
; CHECK-NEXT:    ret i8 0
;
  %v = load i8, ptr getelementptr (i8, ptr @i40_array, i64 6)
  ret i8 %v
}

define i16 @load_i40_array_partial_padding() {
; CHECK-LABEL: @load_i40_array_partial_padding(
; CHECK-NEXT:    ret i16 0
;
  %v = load i16, ptr getelementptr (i8, ptr @i40_array, i64 4)
  ret i16 %v
}

@g_double17 = private constant [17 x double] [double 1.0, double 2.0, double 3.0, double 4.0, double 5.0, double 6.0, double 7.0, double 8.0, double 9.0, double 10.0, double 11.0, double 12.0, double 13.0, double 14.0, double 15.0, double 16.0, double 17.0], align 128

define double @load_large_vector() {
; CHECK-LABEL: @load_large_vector(
; CHECK-NEXT:    ret double 2.000000e+00
;
  %v = load <16 x double>, ptr @g_double17, align 128
  %e = extractelement <16 x double> %v, i32 1
  ret double %e
}

define double @load_over_limit_vector() {
; CHECK-LABEL: @load_over_limit_vector(
; CHECK-NEXT:    [[V:%.*]] = load <17 x double>, ptr @g_double17, align 16
; CHECK-NEXT:    [[E:%.*]] = extractelement <17 x double> [[V]], i32 1
; CHECK-NEXT:    ret double [[E]]
;
  %v = load <17 x double>, ptr @g_double17, align 16
  %e = extractelement <17 x double> %v, i32 1
  ret double %e
}

define i256 @load_large_integer() {
; LE-LABEL: @load_large_integer(
; LE-NEXT:    ret i256 28976291862365503006736120693800966795043933029805877287682190766152806825984
;
; BE-LABEL: @load_large_integer(
; BE-NEXT:    ret i256 28919752756292594708188688926006760458108315909967150605051527249320239693824
;
  %v = load i256, ptr @g_double17, align 32
  ret i256 %v
}

define i257 @load_over_limit_integer() {
; CHECK-LABEL: @load_over_limit_integer(
; CHECK-NEXT:    [[V:%.*]] = load i257, ptr @g_double17, align 64
; CHECK-NEXT:    ret i257 [[V]]
;
  %v = load i257, ptr @g_double17, align 64
  ret i257 %v
}

@g_str64 = private constant [64 x i8] c"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", align 1

define i512 @load_large_integer_from_string() {
; CHECK-LABEL: @load_large_integer_from_string(
; CHECK-NEXT:    [[I:%.*]] = load i512, ptr @g_str64, align 1
; CHECK-NEXT:    ret i512 [[I]]
;
  %i = load i512, ptr @g_str64, align 1
  ret i512 %i
}

define i8 @load_vector_from_string() {
; CHECK-LABEL: @load_vector_from_string(
; CHECK-NEXT:    ret i8 49
;
  %v = load <64 x i8>, ptr @g_str64, align 1
  %e = extractelement <64 x i8> %v, i32 1
  ret i8 %e
}