File: no-fpu.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (33 lines) | stat: -rw-r--r-- 1,218 bytes parent folder | download | duplicates (11)
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
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon,-fpregs | FileCheck --check-prefix=NONEON-NOVFP %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon | FileCheck --check-prefix=NONEON %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-fpregs | FileCheck --check-prefix=NOVFP %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon,+vfp2 | FileCheck --check-prefix=NONEON-VFP %s

; Check no NEON instructions are selected when feature is disabled.
define void @neonop(i64* nocapture readonly %a, i64* nocapture %b) #0 {
  %1 = bitcast i64* %a to <2 x i64>*
  %wide.load = load <2 x i64>, <2 x i64>* %1, align 8
  ; NONEON-NOVFP-NOT: vld1.64
  ; NONEON-NOT: vld1.64
  %add = add <2 x i64> %wide.load, %wide.load
  ; NONEON-NOVFP-NOT: vadd.i64
  ; NONEON-NOT: vadd.i64
  %2 = bitcast i64* %b to <2 x i64>*
  store <2 x i64> %add, <2 x i64>* %2, align 8
  ; NONEON-NOVFP-NOT: vst1.64
  ; NONEON-NOT: vst1.64
  ret void
}

; Likewise with VFP instructions.
define double @fpmult(double %a, double %b) {
  %res = fmul double %a, %b
  ; NONEON-NOVFP-NOT: vmov
  ; NONEON-NOVFP-NOT: vmul.f64
  ; NOVFP-NOT: vmov
  ; NOVFP-NOT: vmul.f64
  ; NONEON-VFP: vmov
  ; NONEON-VFP: vmul.f64
  ret double %res
}