File: promote-alloca-invariant-markers.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (26 lines) | stat: -rw-r--r-- 1,244 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn-- -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
target datalayout = "A5"

declare {}* @llvm.invariant.start.p5i8(i64, i8 addrspace(5)* nocapture) #0
declare void @llvm.invariant.end.p5i8({}*, i64, i8 addrspace(5)* nocapture) #0
declare i8 addrspace(5)* @llvm.launder.invariant.group.p5i8(i8 addrspace(5)*) #1

; GCN-LABEL: {{^}}use_invariant_promotable_lds:
; GCN: buffer_load_dword
; GCN: ds_write_b32
define amdgpu_kernel void @use_invariant_promotable_lds(i32 addrspace(1)* %arg) #2 {
bb:
  %tmp = alloca i32, align 4, addrspace(5)
  %tmp1 = bitcast i32 addrspace(5)* %tmp to i8 addrspace(5)*
  %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
  %tmp3 = load i32, i32 addrspace(1)* %tmp2
  store i32 %tmp3, i32 addrspace(5)* %tmp
  %tmp4 = call {}* @llvm.invariant.start.p5i8(i64 4, i8 addrspace(5)* %tmp1) #0
  call void @llvm.invariant.end.p5i8({}* %tmp4, i64 4, i8 addrspace(5)* %tmp1) #0
  %tmp5 = call i8 addrspace(5)* @llvm.launder.invariant.group.p5i8(i8 addrspace(5)* %tmp1) #1
  ret void
}

attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }