File: buildvec_canonicalize.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (24 lines) | stat: -rw-r--r-- 1,110 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: llc -verify-machineinstrs < %s -mattr=-vsx -mtriple=ppc32-- -mattr=+altivec | FileCheck %s

define void @VXOR(ptr %P1, ptr %P2, ptr %P3) {
        %tmp = load <4 x float>, ptr %P3            ; <<4 x float>> [#uses=1]
        %tmp3 = load <4 x float>, ptr %P1           ; <<4 x float>> [#uses=1]
        %tmp4 = fmul <4 x float> %tmp, %tmp3             ; <<4 x float>> [#uses=1]
        store <4 x float> %tmp4, ptr %P3
        store <4 x float> zeroinitializer, ptr %P1
        store <4 x i32> zeroinitializer, ptr %P2
        ret void
}
; The fmul will spill a vspltisw to create a -0.0 vector used as the addend
; to vmaddfp (so it would IEEE compliant with zero sign propagation).
; CHECK: @VXOR
; CHECK: vsplti
; CHECK: vxor

define void @VSPLTI(ptr %P2, ptr %P3) {
        store <4 x i32> bitcast (<16 x i8> < i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1 > to <4 x i32>), ptr %P2
        store <8 x i16> < i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1 >, ptr %P3
        ret void
}
; CHECK: @VSPLTI
; CHECK: vsplti