File: evex-to-vex.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 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 (14 lines) | stat: -rw-r--r-- 734 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; Check EVEX is not compressed into VEX when egpr is used.
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+egpr -show-mc-encoding | FileCheck %s

define void @test_x86_vcvtps2ph_256_m(ptr nocapture %d, <8 x float> %a) nounwind {
; CHECK:    vcvtps2ph $3, %ymm0, (%r16) # encoding: [0x62,0xfb,0x7d,0x28,0x1d,0x00,0x03]
entry:
  %0 = load i32, ptr %d, align 4
  call void asm sideeffect "", "~{eax},~{ebx},~{ecx},~{edx},~{edi},~{esi},~{ebp},~{esp},~{r8d},~{r9d},~{r10d},~{r11d},~{r12d},~{r13d},~{r14d},~{r15d}"()
  %1 = tail call <8 x i16> @llvm.x86.vcvtps2ph.256(<8 x float> %a, i32 3)
  store <8 x i16> %1, ptr %d, align 16
  ret void
}

declare <8 x i16> @llvm.x86.vcvtps2ph.256(<8 x float>, i32) nounwind readonly