File: fp-round-with-concat-vector-undef-elem.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (22 lines) | stat: -rw-r--r-- 878 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5

; RUN: llc < %s -mtriple=x86_64 -mattr=+avx512fp16 | FileCheck %s

define void @foo(<2 x float> %0) {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vbroadcastsd %xmm0, %ymm0
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vunpcklpd {{.*#+}} ymm0 = ymm1[0],ymm0[0],ymm1[2],ymm0[2]
; CHECK-NEXT:    vcvtps2phx %ymm0, %xmm0
; CHECK-NEXT:    vmovlps %xmm0, 0
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retq
entry:
  %1 = shufflevector <2 x float> zeroinitializer, <2 x float> %0, <8 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 0, i32 1, i32 2, i32 3>
  %2 = fptrunc <8 x float> %1 to <8 x half>
  %3 = bitcast <8 x half> %2 to <2 x i64>
  %4 = extractelement <2 x i64> %3, i64 0
  store i64 %4, ptr null, align 8
  ret void
}