File: legalize-fp-load-invariant.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-2
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 2,245,044 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: 3,666; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (21 lines) | stat: -rw-r--r-- 948 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs -stop-after=amdgpu-isel -o - %s | FileCheck -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn -mcpu=tahiti -enable-new-pm -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 = !{}