AMDGPU: Try to fix 32-bit build bot

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
index 5e7587f..bafe83d 100644 (file)
--- a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
@@ -433,7 +433,7 @@ bool AMDGPUPrintfRuntimeBindingImpl::lowerPrintfForGpu(Module &M) {
 
           if (!S.empty()) {
             const size_t NSizeStr = S.size() + 1;
-            const size_t ReadSize = 4;
+            const uint64_t ReadSize = 4;
 
             BinaryByteStream Streamer(S, support::little);