llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Alex Voicu (AlexVlx) <details> <summary>Changes</summary> When embedding, if `compiler.used` exists, we should re-use it's element type instead of blindly assuming it's an unqualified pointer. --- Full diff: https://github.com/llvm/llvm-project/pull/116804.diff 2 Files Affected: - (added) clang/test/CodeGen/embed-bitcode-marker-with-nonzero-as.c (+8) - (modified) llvm/lib/Bitcode/Writer/BitcodeWriter.cpp (+2-1) ``````````diff diff --git a/clang/test/CodeGen/embed-bitcode-marker-with-nonzero-as.c b/clang/test/CodeGen/embed-bitcode-marker-with-nonzero-as.c new file mode 100644 index 00000000000000..5cd0c74a03c200 --- /dev/null +++ b/clang/test/CodeGen/embed-bitcode-marker-with-nonzero-as.c @@ -0,0 +1,8 @@ +// RUN: %clang_cc1 -triple spirv64-amd-amdhsa -emit-llvm -fcuda-is-device -fembed-bitcode=marker -x hip %s -o - \ +// RUN: | FileCheck %s --check-prefix=CHECK + +// CHECK: @llvm.embedded.module = private addrspace(1) constant [0 x i8] zeroinitializer, section ".llvmbc", align 1 +// CHECK-NEXT: @llvm.cmdline = private addrspace(1) constant [387 x i8] c"{{.*}}", section ".llvmcmd", align 1 +// CHECK-NEXT: @llvm.compiler.used = appending addrspace(1) global [5 x ptr addrspace(4)] [ptr addrspace(4) addrspacecast (ptr addrspace(1) @foo.managed to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @foo to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @__hip_cuid_ to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @llvm.embedded.module to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @llvm.cmdline to ptr addrspace(4))], section "llvm.metadata" + +__attribute__((managed)) int foo = 42; diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 24a4c2e8303d5a..80e12bef502ace 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -5501,8 +5501,9 @@ void llvm::embedBitcodeInModule(llvm::Module &M, llvm::MemoryBufferRef Buf, // Save llvm.compiler.used and remove it. SmallVector<Constant *, 2> UsedArray; SmallVector<GlobalValue *, 4> UsedGlobals; - Type *UsedElementType = PointerType::getUnqual(M.getContext()); GlobalVariable *Used = collectUsedGlobalVariables(M, UsedGlobals, true); + Type *UsedElementType = Used ? Used->getValueType()->getArrayElementType() + : PointerType::getUnqual(M.getContext()); for (auto *GV : UsedGlobals) { if (GV->getName() != "llvm.embedded.module" && GV->getName() != "llvm.cmdline") `````````` </details> https://github.com/llvm/llvm-project/pull/116804 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits