File: sgpr-copy-local-cse.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 (24 lines) | stat: -rw-r--r-- 942 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
23
24
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -verify-machineinstrs -o - %s | FileCheck %s

; CHECK-LABEL: {{^}}t0:
; CHECK: s_load_dwordx2 s[[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]], s[8:9], 0x0
; CHECK: v_mov_b32_e32 v{{[0-9]+}}, s[[PTR_HI]]
; There should be no redundant copies from PTR_HI.
; CHECK-NOT: v_mov_b32_e32 v{{[0-9]+}}, s[[PTR_HI]]
define protected amdgpu_kernel void @t0(ptr addrspace(1) %p, i32 %i0, i32 %j0, i32 %k0) {
entry:
  %0 = tail call i32 @llvm.amdgcn.workitem.id.x()
  %i = add i32 %0, %i0
  %j = add i32 %0, %j0
  %k = add i32 %0, %k0
  %pi = getelementptr float, ptr addrspace(1) %p, i32 %i
  %vi = load float, ptr addrspace(1) %pi
  %pj = getelementptr float, ptr addrspace(1) %p, i32 %j
  %vj = load float, ptr addrspace(1) %pj
  %sum = fadd float %vi, %vj
  %pk = getelementptr float, ptr addrspace(1) %p, i32 %k
  store float %sum, ptr addrspace(1) %pk
  ret void
}

declare i32 @llvm.amdgcn.workitem.id.x()