File: legalize-fp-load-invariant.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-20
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,909,296 kB
  • sloc: cpp: 6,667,975; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,992; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (20 lines) | stat: -rw-r--r-- 828 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
 
; RUN: llc -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs -stop-after=amdgpu-isel -o - %s | FileCheck -check-prefix=GCN %s

; Type legalization for illegal FP type results was dropping invariant
; and dereferenceable flags.

; GCN: BUFFER_LOAD_USHORT{{.*}} :: (dereferenceable invariant load (s16) from %ir.ptr, addrspace 4)
define half @legalize_f16_load_align2(ptr addrspace(4) dereferenceable(4) align(2) %ptr) {
  %load = load half, ptr addrspace(4) %ptr, !invariant.load !0
  %add = fadd half %load, 1.0
  ret half %add
}

; GCN: BUFFER_LOAD_USHORT{{.*}} :: (invariant load (s16) from %ir.ptr, addrspace 4)
define half @legalize_f16_load_align1(ptr addrspace(4) dereferenceable(4) align(1) %ptr) {
  %load = load half, ptr addrspace(4) %ptr, !invariant.load !0
  %add = fadd half %load, 1.0
  ret half %add
}

!0 = !{}