File: lower-module-lds-zero-size-arr.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (37 lines) | stat: -rw-r--r-- 1,679 bytes parent folder | download | duplicates (3)
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
27
28
29
30
31
32
33
34
35
36
37
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s

; This is an extension and should be rejected by the front-end in most cases.
; If it goes through, lower it as dynlds.

@Var0 = linkonce_odr hidden local_unnamed_addr addrspace(3) global [0 x float] poison

define void @fn(float %val, i32 %idx) {
; CHECK-LABEL: define void @fn(
; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) {
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.amdgcn.lds.kernel.id()
; CHECK-NEXT:    [[VAR0:%.*]] = getelementptr inbounds [1 x i32], ptr addrspace(4) @llvm.amdgcn.dynlds.offset.table, i32 0, i32 [[TMP1]]
; CHECK-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[VAR0]], align 4
; CHECK-NEXT:    [[VAR01:%.*]] = inttoptr i32 [[TMP2]] to ptr addrspace(3)
; CHECK-NEXT:    [[PTR:%.*]] = getelementptr i32, ptr addrspace(3) [[VAR01]], i32 [[IDX]]
; CHECK-NEXT:    store float [[VAL]], ptr addrspace(3) [[PTR]], align 4
; CHECK-NEXT:    ret void
;
  %ptr = getelementptr i32, ptr addrspace(3) @Var0, i32 %idx
  store float %val, ptr addrspace(3) %ptr
  ret void
}

define amdgpu_kernel void @kernelA(float %val, i32 %idx) {
; CHECK-LABEL: define amdgpu_kernel void @kernelA(
; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) !llvm.amdgcn.lds.kernel.id [[META1:![0-9]+]] {
; CHECK-NEXT:    call void @llvm.donothing() [ "ExplicitUse"(ptr addrspace(3) @llvm.amdgcn.kernelA.dynlds) ]
; CHECK-NEXT:    tail call void @fn(float [[VAL]], i32 [[IDX]])
; CHECK-NEXT:    ret void
;
  tail call void @fn(float %val, i32 %idx)
  ret void
}
;.
; CHECK: [[META1]] = !{i32 0}
;.