[llvm] [AMDGPU][LDS] Pre-Commit tests for 'Fix dynamic LDS interaction with "amdgpu-no-lds-kernel-id" (PR #107091)

[Juan Manuel Martinez Caamaño via llvm-commits]

https://github.com/jmmartinez created https://github.com/llvm/llvm-project/pull/107091

None

>From 1c1c909599924613665d0e6751290a680ecd6128 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?= <juamarti at amd.com>
Date: Tue, 3 Sep 2024 12:55:06 +0200
Subject: [PATCH] [AMDGPU][LDS] Pre-Commit tests for 'Fix dynamic LDS
 interaction with "amdgpu-no-lds-kernel-id"'

---
 .../AMDGPU/lower-module-lds-zero-size-arr.ll  | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/llvm/test/CodeGen/AMDGPU/lower-module-lds-zero-size-arr.ll b/llvm/test/CodeGen/AMDGPU/lower-module-lds-zero-size-arr.ll
index da1d23f1496cf3..ac3812e93515be 100644
--- a/llvm/test/CodeGen/AMDGPU/lower-module-lds-zero-size-arr.ll
+++ b/llvm/test/CodeGen/AMDGPU/lower-module-lds-zero-size-arr.ll
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 3
 ; 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.
@@ -6,9 +6,13 @@
 
 @Var0 = linkonce_odr hidden local_unnamed_addr addrspace(3) global [0 x float] poison
 
-define void @fn(float %val, i32 %idx) {
+;.
+; CHECK: @llvm.amdgcn.kernelA.dynlds = external addrspace(3) global [0 x i8], align 4, !absolute_symbol [[META0:![0-9]+]]
+; CHECK: @llvm.amdgcn.dynlds.offset.table = internal addrspace(4) constant [1 x i32] [i32 ptrtoint (ptr addrspace(3) @llvm.amdgcn.kernelA.dynlds to i32)]
+;.
+define void @fn(float %val, i32 %idx) #0 {
 ; CHECK-LABEL: define void @fn(
-; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) {
+; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) #[[ATTR0:[0-9]+]] {
 ; 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
@@ -22,9 +26,9 @@ define void @fn(float %val, i32 %idx) {
   ret void
 }
 
-define amdgpu_kernel void @kernelA(float %val, i32 %idx) {
+define amdgpu_kernel void @kernelA(float %val, i32 %idx) #0 {
 ; CHECK-LABEL: define amdgpu_kernel void @kernelA(
-; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) !llvm.amdgcn.lds.kernel.id [[META1:![0-9]+]] {
+; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) #[[ATTR0]] !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
@@ -32,6 +36,14 @@ define amdgpu_kernel void @kernelA(float %val, i32 %idx) {
   tail call void @fn(float %val, i32 %idx)
   ret void
 }
+
+attributes #0 = { "amdgpu-no-lds-kernel-id" }
+
+;.
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-lds-kernel-id" }
+; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
+; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
 ;.
+; CHECK: [[META0]] = !{i32 0, i32 1}
 ; CHECK: [[META1]] = !{i32 0}
 ;.