From e9b6aa2b62432058f4549e817ea07b6caec87562 Mon Sep 17 00:00:00 2001
From: Damyan Pepper <damyanp@microsoft.com>
Date: Fri, 3 Apr 2026 11:10:27 -0700
Subject: [PATCH 1/2] Fix signed/unsigned mismatch in LinAlgTests.cpp

Change loop variables from int32_t to size_t to match the NumElements
parameter type (size_t), fixing C4018 warnings treated as errors in
x86 builds.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 tools/clang/unittests/HLSLExec/LinAlgTests.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
index a6b0dc1977..96f4aa883b 100644
--- a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
+++ b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
@@ -226,7 +226,7 @@ static VariantCompType makeExpected(ComponentType CompType, size_t NumElements,
   switch (CompType) {
   case ComponentType::F32: {
     std::vector<float> Floats(NumElements);
-    for (int32_t I = 0; I < NumElements; I++)
+    for (size_t I = 0; I < NumElements; I++)
       Floats[I] = StartingVal + static_cast<float>(Increment ? I : 0);
     return Floats;
   }
@@ -234,13 +234,13 @@ static VariantCompType makeExpected(ComponentType CompType, size_t NumElements,
     DXASSERT(StartingVal < static_cast<float>(INT_MAX),
              "Value too large to cast to int32_t");
     std::vector<int32_t> Ints(NumElements);
-    for (int32_t I = 0; I < NumElements; I++)
-      Ints[I] = static_cast<int32_t>(StartingVal) + (Increment ? I : 0);
+    for (size_t I = 0; I < NumElements; I++)
+      Ints[I] = static_cast<int32_t>(StartingVal) + static_cast<int32_t>(Increment ? I : 0);
     return Ints;
   }
   case ComponentType::F16: {
     std::vector<HLSLHalf_t> Halfs(NumElements);
-    for (int32_t I = 0; I < NumElements; I++) {
+    for (size_t I = 0; I < NumElements; I++) {
       // Downcasting is safe here since HLSLHalf_t will clamp if F is too large.
       float F = StartingVal + static_cast<float>(Increment ? I : 0);
       Halfs[I] = HLSLHalf_t(F);

From 5128696d981cc899f357807588fa2fe1bf71af4a Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Fri, 3 Apr 2026 19:10:37 +0000
Subject: [PATCH 2/2] chore: autopublish 2026-04-03T19:10:36Z

---
 tools/clang/unittests/HLSLExec/LinAlgTests.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
index 96f4aa883b..3ab1ac1df8 100644
--- a/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
+++ b/tools/clang/unittests/HLSLExec/LinAlgTests.cpp
@@ -235,7 +235,8 @@ static VariantCompType makeExpected(ComponentType CompType, size_t NumElements,
              "Value too large to cast to int32_t");
     std::vector<int32_t> Ints(NumElements);
     for (size_t I = 0; I < NumElements; I++)
-      Ints[I] = static_cast<int32_t>(StartingVal) + static_cast<int32_t>(Increment ? I : 0);
+      Ints[I] = static_cast<int32_t>(StartingVal) +
+                static_cast<int32_t>(Increment ? I : 0);
     return Ints;
   }
   case ComponentType::F16: {