File: wmma_modifiers.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (22 lines) | stat: -rw-r--r-- 1,032 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize64 -verify-machineinstrs < %s | FileCheck %s

declare <4 x float> @llvm.amdgcn.wmma.f32.16x16x16.f16.v4f32.v16f16(<16 x half>, <16 x half>, <4 x float>)

; Make sure we don't crash when trying to select modifiers in SelectVOP3PMods.

define amdgpu_cs void @xyz () {
; CHECK-LABEL: xyz:
; CHECK: v_wmma_f32_16x16x16_f16 v[0:3], v[0:7], v[0:7], v[0:3]

.entry:
  br label %loop
loop:
  %ld = load <8 x float>, ptr addrspace(5) null, align 32
  %in_shuffle = shufflevector <8 x float> %ld, <8 x float> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %wmma = call <4 x float> @llvm.amdgcn.wmma.f32.16x16x16.f16.v4f32.v16f16(<16 x half> poison, <16 x half> poison, <4 x float> %in_shuffle)
  %out_shuffle = shufflevector <4 x float> %wmma, <4 x float> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>
  store <8 x float> %out_shuffle, ptr addrspace(5) null, align 32
  br i1 false, label %.exit, label %loop
.exit:
  ret void
}