[clang] Sanitizer: Support -fwrapv with -fsanitize=signed-integer-overflow (PR #82432)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff 1219214a3bcc51022492928b8bb4ff4bdb75d0cb b02b09b9eb4f9a8ac60dd077d95c67b959db3b70 -- clang/lib/CodeGen/CGExprScalar.cpp clang/test/CodeGen/integer-overflow.c
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
index 7621d9bcde..10b7457522 100644
--- a/clang/lib/CodeGen/CGExprScalar.cpp
+++ b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -724,7 +724,7 @@ public:
       switch (CGF.getLangOpts().getSignedOverflowBehavior()) {
       case LangOptions::SOB_Defined:
         if (!CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow))
-              return Builder.CreateMul(Ops.LHS, Ops.RHS, "mul");
+          return Builder.CreateMul(Ops.LHS, Ops.RHS, "mul");
         [[fallthrough]];
       case LangOptions::SOB_Undefined:
         if (!CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow))
@@ -2571,7 +2571,7 @@ llvm::Value *ScalarExprEmitter::EmitIncDecConsiderOverflowBehavior(
   switch (CGF.getLangOpts().getSignedOverflowBehavior()) {
   case LangOptions::SOB_Defined:
     if (!CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow))
-        return Builder.CreateAdd(InVal, Amount, Name);
+      return Builder.CreateAdd(InVal, Amount, Name);
     [[fallthrough]];
   case LangOptions::SOB_Undefined:
     if (!CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow))

``````````

</details>


https://github.com/llvm/llvm-project/pull/82432