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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+sse -O3 | FileCheck %s --check-prefixes=CHECK,X86
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2,+sse -O3 | FileCheck %s --check-prefixes=CHECK,X64
; Tests for SSE1 and below, without SSE2+.
; PR7993
;define <4 x i32> @test3(<4 x i16> %a) nounwind {
; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1]
; ret <4 x i32> %c
;}
; This should not emit shuffles to populate the top 2 elements of the 4-element
; vector that this ends up returning.
; rdar://8368414
define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind {
; CHECK-LABEL: test4:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movaps %xmm0, %xmm2
; CHECK-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,1],xmm0[1,1]
; CHECK-NEXT: addss %xmm1, %xmm0
; CHECK-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,1,1]
; CHECK-NEXT: subss %xmm1, %xmm2
; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
; CHECK-NEXT: ret{{[l|q]}}
entry:
%tmp7 = extractelement <2 x float> %A, i32 0
%tmp5 = extractelement <2 x float> %A, i32 1
%tmp3 = extractelement <2 x float> %B, i32 0
%tmp1 = extractelement <2 x float> %B, i32 1
%add.r = fadd float %tmp7, %tmp3
%add.i = fsub float %tmp5, %tmp1
%tmp11 = insertelement <2 x float> undef, float %add.r, i32 0
%tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1
ret <2 x float> %tmp9
}
; We used to get stuck in type legalization for this example when lowering the
; vselect. With SSE1 v4f32 is a legal type but v4i1 (or any vector integer type)
; is not. We used to ping pong between splitting the vselect for the v4i
; condition operand and widening the resulting vselect for the v4f32 result.
; PR18036
define <4 x float> @vselect(<4 x float>*%p, <4 x i32> %q) {
; X86-LABEL: vselect:
; X86: # %bb.0: # %entry
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: xorps %xmm0, %xmm0
; X86-NEXT: je .LBB1_1
; X86-NEXT: # %bb.2: # %entry
; X86-NEXT: xorps %xmm1, %xmm1
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: jne .LBB1_5
; X86-NEXT: .LBB1_4:
; X86-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: jne .LBB1_8
; X86-NEXT: .LBB1_7:
; X86-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: je .LBB1_10
; X86-NEXT: jmp .LBB1_11
; X86-NEXT: .LBB1_1:
; X86-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: je .LBB1_4
; X86-NEXT: .LBB1_5: # %entry
; X86-NEXT: xorps %xmm2, %xmm2
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: je .LBB1_7
; X86-NEXT: .LBB1_8: # %entry
; X86-NEXT: xorps %xmm3, %xmm3
; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; X86-NEXT: jne .LBB1_11
; X86-NEXT: .LBB1_10:
; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-NEXT: .LBB1_11: # %entry
; X86-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0]
; X86-NEXT: retl
;
; X64-LABEL: vselect:
; X64: # %bb.0: # %entry
; X64-NEXT: testl %edx, %edx
; X64-NEXT: xorps %xmm0, %xmm0
; X64-NEXT: je .LBB1_1
; X64-NEXT: # %bb.2: # %entry
; X64-NEXT: xorps %xmm1, %xmm1
; X64-NEXT: testl %ecx, %ecx
; X64-NEXT: jne .LBB1_5
; X64-NEXT: .LBB1_4:
; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
; X64-NEXT: testl %r8d, %r8d
; X64-NEXT: jne .LBB1_8
; X64-NEXT: .LBB1_7:
; X64-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
; X64-NEXT: testl %esi, %esi
; X64-NEXT: je .LBB1_10
; X64-NEXT: jmp .LBB1_11
; X64-NEXT: .LBB1_1:
; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X64-NEXT: testl %ecx, %ecx
; X64-NEXT: je .LBB1_4
; X64-NEXT: .LBB1_5: # %entry
; X64-NEXT: xorps %xmm2, %xmm2
; X64-NEXT: testl %r8d, %r8d
; X64-NEXT: je .LBB1_7
; X64-NEXT: .LBB1_8: # %entry
; X64-NEXT: xorps %xmm3, %xmm3
; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
; X64-NEXT: testl %esi, %esi
; X64-NEXT: jne .LBB1_11
; X64-NEXT: .LBB1_10:
; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: .LBB1_11: # %entry
; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X64-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0]
; X64-NEXT: retq
entry:
%a1 = icmp eq <4 x i32> %q, zeroinitializer
%a14 = select <4 x i1> %a1, <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+0> , <4 x float> zeroinitializer
ret <4 x float> %a14
}
; v4i32 isn't legal for SSE1, but this should be cmpps.
define <4 x float> @PR28044(<4 x float> %a0, <4 x float> %a1) nounwind {
; CHECK-LABEL: PR28044:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpeqps %xmm1, %xmm0
; CHECK-NEXT: ret{{[l|q]}}
%cmp = fcmp oeq <4 x float> %a0, %a1
%sext = sext <4 x i1> %cmp to <4 x i32>
%res = bitcast <4 x i32> %sext to <4 x float>
ret <4 x float> %res
}
; Don't crash trying to do the impossible: an integer vector comparison doesn't exist, so we must scalarize.
; https://llvm.org/bugs/show_bug.cgi?id=30512
define <4 x i32> @PR30512(<4 x i32> %x, <4 x i32> %y) nounwind {
; X86-LABEL: PR30512:
; X86: # %bb.0:
; X86-NEXT: pushl %ebx
; X86-NEXT: pushl %edi
; X86-NEXT: pushl %esi
; X86-NEXT: subl $16, %esp
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
; X86-NEXT: xorl %ebx, %ebx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edi
; X86-NEXT: sete %bl
; X86-NEXT: negl %ebx
; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp)
; X86-NEXT: xorl %ebx, %ebx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %esi
; X86-NEXT: sete %bl
; X86-NEXT: negl %ebx
; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp)
; X86-NEXT: xorl %ebx, %ebx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edx
; X86-NEXT: sete %bl
; X86-NEXT: negl %ebx
; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp)
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: sete %dl
; X86-NEXT: negl %edx
; X86-NEXT: movl %edx, (%esp)
; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1]
; X86-NEXT: movlhps {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; X86-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
; X86-NEXT: movaps %xmm2, (%eax)
; X86-NEXT: addl $16, %esp
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: popl %ebx
; X86-NEXT: retl $4
;
; X64-LABEL: PR30512:
; X64: # %bb.0:
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: xorl %edi, %edi
; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %r8d
; X64-NEXT: sete %dil
; X64-NEXT: negl %edi
; X64-NEXT: movl %edi, -{{[0-9]+}}(%rsp)
; X64-NEXT: xorl %edi, %edi
; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %ecx
; X64-NEXT: sete %dil
; X64-NEXT: negl %edi
; X64-NEXT: movl %edi, -{{[0-9]+}}(%rsp)
; X64-NEXT: xorl %ecx, %ecx
; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %edx
; X64-NEXT: sete %cl
; X64-NEXT: negl %ecx
; X64-NEXT: movl %ecx, -{{[0-9]+}}(%rsp)
; X64-NEXT: xorl %ecx, %ecx
; X64-NEXT: cmpl %r9d, %esi
; X64-NEXT: sete %cl
; X64-NEXT: negl %ecx
; X64-NEXT: movl %ecx, -{{[0-9]+}}(%rsp)
; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X64-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1]
; X64-NEXT: movlhps {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; X64-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
; X64-NEXT: movaps %xmm2, (%rax)
; X64-NEXT: retq
%cmp = icmp eq <4 x i32> %x, %y
%zext = zext <4 x i1> %cmp to <4 x i32>
ret <4 x i32> %zext
}
; Fragile test warning - we need to induce the generation of a vselect
; post-legalization to cause the crash seen in:
; https://llvm.org/bugs/show_bug.cgi?id=31672
; Is there a way to do that without an unsafe/fast sqrt intrinsic call?
;
; We now no longer try to lower sqrt using rsqrt with SSE1 only as the
; v4i32 vselect mentioned above should never have been created. We ended up
; scalarizing it anyway.
define <2 x float> @PR31672() #0 {
; X86-LABEL: PR31672:
; X86: # %bb.0:
; X86-NEXT: sqrtps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; X86-NEXT: retl
;
; X64-LABEL: PR31672:
; X64: # %bb.0:
; X64-NEXT: sqrtps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; X64-NEXT: retq
%t0 = call fast <2 x float> @llvm.sqrt.v2f32(<2 x float> <float 42.0, float 3.0>)
ret <2 x float> %t0
}
declare <2 x float> @llvm.sqrt.v2f32(<2 x float>) #1
attributes #0 = { nounwind "unsafe-fp-math"="true" }
|