1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
; This is related to https://bugs.llvm.org/show_bug.cgi?id=36682
; All of these can be simplified to a constant true or false value.
; * slt i32 %b, 0 -> false
; * sgt i32 %b, -1 -> true
define i1 @i32_cast_cmp_slt_int_0_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp slt i32 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp slt <2 x i32> %b, <i32 0, i32 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_float_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float_vec_undef(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp slt <3 x i32> %b, <i32 0, i32 undef, i32 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp sgt i32 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp sgt <2 x i32> %b, <i32 -1, i32 -1>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_undef(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp sgt <3 x i32> %b, <i32 -1, i32 undef, i32 -1>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_slt_int_0_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp slt i64 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp slt <2 x i64> %b, <i64 0, i64 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_double_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double_vec_undef(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp slt <3 x i64> %b, <i64 0, i64 undef, i64 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp sgt i64 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp sgt <2 x i64> %b, <i64 -1, i64 -1>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_double_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double_vec_undef(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp sgt <3 x i64> %b, <i64 -1, i64 undef, i64 -1>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_slt_int_0_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp slt i16 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp slt <2 x i16> %b, <i16 0, i16 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_half_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half_vec_undef(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp slt <3 x i16> %b, <i16 0, i16 undef, i16 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp sgt i16 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp sgt <2 x i16> %b, <i16 -1, i16 -1>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_half_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half_vec_undef(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp sgt <3 x i16> %b, <i16 -1, i16 undef, i16 -1>
ret <3 x i1> %cmp
}
|