[clang] [Clang][AMDGPU] Use `I` to decorate imm argument for `__builtin_amdgcn_global_load_lds` (PR #94376)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Shilei Tian (shiltian)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/94376.diff


3 Files Affected:

- (modified) clang/include/clang/Basic/BuiltinsAMDGPU.def (+1-1) 
- (modified) clang/lib/Sema/SemaAMDGPU.cpp (+1-2) 
- (modified) clang/test/SemaOpenCL/builtins-amdgcn-gfx940-err.cl (+1-1) 


``````````diff
diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def b/clang/include/clang/Basic/BuiltinsAMDGPU.def
index 433c7795325f0..9e6800ea814a0 100644
--- a/clang/include/clang/Basic/BuiltinsAMDGPU.def
+++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -240,7 +240,7 @@ TARGET_BUILTIN(__builtin_amdgcn_flat_atomic_fadd_v2bf16, "V2sV2s*0V2s", "t", "at
 TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fadd_v2bf16, "V2sV2s*1V2s", "t", "atomic-global-pk-add-bf16-inst")
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_v2bf16, "V2sV2s*3V2s", "t", "atomic-ds-pk-add-16-insts")
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_v2f16, "V2hV2h*3V2h", "t", "atomic-ds-pk-add-16-insts")
-TARGET_BUILTIN(__builtin_amdgcn_global_load_lds, "vv*1v*3UiiUi", "t", "gfx940-insts")
+TARGET_BUILTIN(__builtin_amdgcn_global_load_lds, "vv*1v*3IUiIiIUi", "t", "gfx940-insts")
 
 //===----------------------------------------------------------------------===//
 // Deep learning builtins.
diff --git a/clang/lib/Sema/SemaAMDGPU.cpp b/clang/lib/Sema/SemaAMDGPU.cpp
index c446cc1d042a4..51d4f0d3d9648 100644
--- a/clang/lib/Sema/SemaAMDGPU.cpp
+++ b/clang/lib/Sema/SemaAMDGPU.cpp
@@ -32,8 +32,7 @@ bool SemaAMDGPU::CheckAMDGCNBuiltinFunctionCall(unsigned BuiltinID,
     llvm::APSInt Size;
     Expr *ArgExpr = TheCall->getArg(SizeIdx);
     ExprResult R = SemaRef.VerifyIntegerConstantExpression(ArgExpr, &Size);
-    if (R.isInvalid())
-      return true;
+    assert(!R.isInvalid());
     switch (Size.getSExtValue()) {
     case 1:
     case 2:
diff --git a/clang/test/SemaOpenCL/builtins-amdgcn-gfx940-err.cl b/clang/test/SemaOpenCL/builtins-amdgcn-gfx940-err.cl
index 487cc53e8ad8a..05fff32d4dce7 100644
--- a/clang/test/SemaOpenCL/builtins-amdgcn-gfx940-err.cl
+++ b/clang/test/SemaOpenCL/builtins-amdgcn-gfx940-err.cl
@@ -4,7 +4,7 @@
 typedef unsigned int u32;
 
 void test_global_load_lds_unsupported_size(global u32* src, local u32 *dst, u32 size) {
-  __builtin_amdgcn_global_load_lds(src, dst, size, /*offset=*/0, /*aux=*/0); // expected-error{{expression is not an integer constant expression}}
+  __builtin_amdgcn_global_load_lds(src, dst, size, /*offset=*/0, /*aux=*/0); // expected-error{{argument to '__builtin_amdgcn_global_load_lds' must be a constant integer}}
   __builtin_amdgcn_global_load_lds(src, dst, /*size=*/5, /*offset=*/0, /*aux=*/0); // expected-error{{invalid size value}} expected-note {{size must be 1, 2, or 4}}
   __builtin_amdgcn_global_load_lds(src, dst, /*size=*/0, /*offset=*/0, /*aux=*/0); // expected-error{{invalid size value}} expected-note {{size must be 1, 2, or 4}}
   __builtin_amdgcn_global_load_lds(src, dst, /*size=*/3, /*offset=*/0, /*aux=*/0); // expected-error{{invalid size value}} expected-note {{size must be 1, 2, or 4}}

``````````

</details>


https://github.com/llvm/llvm-project/pull/94376