[clang] [clang][RISCV] Fix crash on VLS calling convention (PR #145489)

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


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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,c -- clang/lib/CodeGen/CGCall.cpp clang/test/CodeGen/RISCV/riscv-vector-callingconv-llvm-ir.c clang/test/CodeGen/RISCV/riscv-vector-callingconv-llvm-ir.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index bc7698e64..70123b2c1 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1482,10 +1482,9 @@ void CodeGenFunction::CreateCoercedStore(llvm::Value *Src, Address Dst,
     if (llvm::StructType *DstSTy =
             dyn_cast<llvm::StructType>(Dst.getElementType())) {
       if (llvm::TargetExtType *TupTy = dyn_cast<llvm::TargetExtType>(SrcTy)) {
-        // In RISC-V VLS calling convention, struct of fixed vectors or struct of
-        // array of fixed vector of length >1 might be lowered using vector tuple
-        // type, we consider it as a valid load, e.g.
-        // struct i32x4x2 {
+        // In RISC-V VLS calling convention, struct of fixed vectors or struct
+        // of array of fixed vector of length >1 might be lowered using vector
+        // tuple type, we consider it as a valid load, e.g. struct i32x4x2 {
         //     __attribute__((vector_size(16))) int i;
         //     __attribute__((vector_size(16))) int i;
         // };
@@ -1537,9 +1536,8 @@ void CodeGenFunction::CreateCoercedStore(llvm::Value *Src, Address Dst,
 
       if (SrcTy->isScalableTy()) {
         // In RISC-V VLS calling convention, struct of fixed vector or struct of
-        // fixed vector array of length 1 might be lowered using scalable vector,
-        // we consider it as a valid load, e.g.
-        // struct i32x4 {
+        // fixed vector array of length 1 might be lowered using scalable
+        // vector, we consider it as a valid load, e.g. struct i32x4 {
         //     __attribute__((vector_size(16))) int i;
         // };
         // or

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https://github.com/llvm/llvm-project/pull/145489