[llvm] [NFC][SPIRV] Make the zero-length-array.ll test explicit about what is generated (PR #166910)

[Juan Manuel Martinez Caamaño via llvm-commits]

https://github.com/jmmartinez updated https://github.com/llvm/llvm-project/pull/166910

>From 4b09bf36fea514572805d9e7ed2f10454e62b900 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?=
 <jmartinezcaamao at gmail.com>
Date: Wed, 5 Nov 2025 17:11:24 +0100
Subject: [PATCH 1/2] [NFC][SPIRV] Make the zero-length-array.ll test explicit
 about what is generated

---
 llvm/test/CodeGen/SPIRV/zero-length-array.ll | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/llvm/test/CodeGen/SPIRV/zero-length-array.ll b/llvm/test/CodeGen/SPIRV/zero-length-array.ll
index 666176c87adb6..9cb4775785988 100644
--- a/llvm/test/CodeGen/SPIRV/zero-length-array.ll
+++ b/llvm/test/CodeGen/SPIRV/zero-length-array.ll
@@ -1,10 +1,17 @@
 ; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - | FileCheck %s
 ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}
 
-; CHECK: %[[#type:]] = OpTypeInt 32 0
-; CHECK: %[[#ext:]] = OpConstant %[[#type]] 0
+; Nothing is generated, but compilation doesn't crash
+; CHECK: OpName %[[#FOO:]] "foo"
+; CHECK: OpName %[[#RTM:]] "reg2mem alloca point"
+; CHECK: %[[#INT:]] = OpTypeInt 32 0
+; CHECK: %[[#RTM]] = OpConstant %[[#INT]] 0
+; CHECK: %[[#FOO]] = OpFunction
+; CHECK-NEXT: = OpLabel
+; CHECK-NEXT: OpReturn
+; CHECK-NEXT: OpFunctionEnd
 
-define spir_func void @_Z3foov() {
+define spir_func void @foo() {
 entry:
   %i = alloca [0 x i32], align 4
   ret void

>From 4c75cbf1007bb4f01c020c3012d5fcd5666e3ecd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?=
 <jmartinezcaamao at gmail.com>
Date: Mon, 10 Nov 2025 09:10:39 +0100
Subject: [PATCH 2/2] Add . at the end of comment

Co-authored-by: Marcos Maronas <marcos.maronas at intel.com>
---
 llvm/test/CodeGen/SPIRV/zero-length-array.ll | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/test/CodeGen/SPIRV/zero-length-array.ll b/llvm/test/CodeGen/SPIRV/zero-length-array.ll
index 9cb4775785988..5fd94d25dfd87 100644
--- a/llvm/test/CodeGen/SPIRV/zero-length-array.ll
+++ b/llvm/test/CodeGen/SPIRV/zero-length-array.ll
@@ -1,7 +1,7 @@
 ; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - | FileCheck %s
 ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val %}
 
-; Nothing is generated, but compilation doesn't crash
+; Nothing is generated, but compilation doesn't crash.
 ; CHECK: OpName %[[#FOO:]] "foo"
 ; CHECK: OpName %[[#RTM:]] "reg2mem alloca point"
 ; CHECK: %[[#INT:]] = OpTypeInt 32 0