[llvm] [X86] Combine `uitofp <v x i32> to <v x half>` (PR #121809)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 7 00:52:27 PST 2025
================
@@ -0,0 +1,404 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-- -mcpu=corei7-avx | FileCheck %s
+
+define <8 x half> @test_UINT_TO_FP_no_inf8(<8 x i32> %a) {
+; CHECK-LABEL: test_UINT_TO_FP_no_inf8:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: subq $88, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 96
+; CHECK-NEXT: vpsrld $16, %xmm0, %xmm1
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm2
+; CHECK-NEXT: vpsrld $16, %xmm2, %xmm2
+; CHECK-NEXT: vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; CHECK-NEXT: vcvtdq2ps %ymm1, %ymm1
+; CHECK-NEXT: vmulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; CHECK-NEXT: vandps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-NEXT: vcvtdq2ps %ymm0, %ymm0
+; CHECK-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; CHECK-NEXT: vmovups %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vshufps {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilps $255, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[3,3,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vpunpcklqdq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0]
+; CHECK-NEXT: addq $88, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 8
+; CHECK-NEXT: retq
+entry:
+ %vec = uitofp <8 x i32> %a to <8 x half>
+ ret <8 x half> %vec
+}
+
+define <8 x half> @test_STRICT_UINT_TO_FP_no_inf8(<8 x i32> %a) {
+; CHECK-LABEL: test_STRICT_UINT_TO_FP_no_inf8:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: subq $88, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 96
+; CHECK-NEXT: vpsrld $16, %xmm0, %xmm1
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm2
+; CHECK-NEXT: vpsrld $16, %xmm2, %xmm2
+; CHECK-NEXT: vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; CHECK-NEXT: vcvtdq2ps %ymm1, %ymm1
+; CHECK-NEXT: vmulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; CHECK-NEXT: vandps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-NEXT: vcvtdq2ps %ymm0, %ymm0
+; CHECK-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; CHECK-NEXT: vmovups %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vshufps {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilps $255, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[3,3,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vpunpcklqdq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0]
+; CHECK-NEXT: addq $88, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 8
+; CHECK-NEXT: retq
+entry:
+ %vec = tail call <8 x half> @llvm.experimental.constrained.uitofp.f34.i34(<8 x i32> %a, metadata !"round.dynamic", metadata !"fpexcept.strict")
+ ret <8 x half> %vec
+}
+
+define <16 x half> @test_UINT_TO_FP_no_inf16(<16 x i32> %a) {
+; CHECK-LABEL: test_UINT_TO_FP_no_inf16:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: subq $120, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 128
+; CHECK-NEXT: vmovups %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; CHECK-NEXT: vpsrld $16, %xmm1, %xmm0
+; CHECK-NEXT: vextractf128 $1, %ymm1, %xmm2
+; CHECK-NEXT: vpsrld $16, %xmm2, %xmm2
+; CHECK-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; CHECK-NEXT: vcvtdq2ps %ymm0, %ymm0
+; CHECK-NEXT: vmulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-NEXT: vandps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; CHECK-NEXT: vcvtdq2ps %ymm1, %ymm1
+; CHECK-NEXT: vaddps %ymm1, %ymm0, %ymm0
+; CHECK-NEXT: vmovups %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vshufps {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, (%rsp), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovaps (%rsp), %xmm0 # 16-byte Reload
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup (%rsp), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilps $255, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[3,3,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vpunpcklqdq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm2 # 32-byte Reload
+; CHECK-NEXT: vpsrld $16, %xmm2, %xmm0
+; CHECK-NEXT: vextractf128 $1, %ymm2, %xmm1
+; CHECK-NEXT: vpsrld $16, %xmm1, %xmm1
+; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; CHECK-NEXT: vcvtdq2ps %ymm0, %ymm0
+; CHECK-NEXT: vmulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-NEXT: vandps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm1
+; CHECK-NEXT: vcvtdq2ps %ymm1, %ymm1
+; CHECK-NEXT: vaddps %ymm1, %ymm0, %ymm0
+; CHECK-NEXT: vmovups %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
+; CHECK-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vshufps {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, (%rsp), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovaps (%rsp), %xmm0 # 16-byte Reload
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup (%rsp), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vmovdqa %xmm0, (%rsp) # 16-byte Spill
+; CHECK-NEXT: vpermilps $255, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[3,3,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vpermilpd $1, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,0]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vpunpcklwd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1],xmm0[2],mem[2],xmm0[3],mem[3]
+; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; CHECK-NEXT: vmovshdup {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = mem[1,1,3,3]
+; CHECK-NEXT: callq __truncsfhf2 at PLT
+; CHECK-NEXT: vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; CHECK-NEXT: vpunpckldq {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
+; CHECK-NEXT: vpunpcklqdq (%rsp), %xmm0, %xmm0 # 16-byte Folded Reload
+; CHECK-NEXT: # xmm0 = xmm0[0],mem[0]
+; CHECK-NEXT: vinsertf128 $1, {{[-0-9]+}}(%r{{[sb]}}p), %ymm0, %ymm0 # 16-byte Folded Reload
+; CHECK-NEXT: addq $120, %rsp
+; CHECK-NEXT: .cfi_def_cfa_offset 8
+; CHECK-NEXT: retq
+entry:
+ %vec = uitofp <16 x i32> %a to <16 x half>
----------------
arsenm wrote:
These are all doubly indented
https://github.com/llvm/llvm-project/pull/121809
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