Rollup merge of #41249 - GuillaumeGomez:rustdoc-render, r=steveklabnik,frewsxcv

[rust.git] / src / rustllvm / RustWrapper.cpp

diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index 4e201c254e39f4f9bc9bb17e029368b468f580ea..c24867224ea864cd94733550001037fe7dee83fa 100644 (file)
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 #include "rustllvm.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/DiagnosticPrinter.h"
 #include "llvm/IR/Instructions.h"
@@ -148,6 +149,12 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
     return Attribute::ZExt;
   case InReg:
     return Attribute::InReg;
+  case SanitizeThread:
+    return Attribute::SanitizeThread;
+  case SanitizeAddress:
+    return Attribute::SanitizeAddress;
+  case SanitizeMemory:
+    return Attribute::SanitizeMemory;
   }
   llvm_unreachable("bad AttributeKind");
 }
@@ -305,6 +312,10 @@ extern "C" LLVMValueRef LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString,
                              HasSideEffects, IsAlignStack, fromRust(Dialect)));
 }
 
+extern "C" void LLVMRustAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
+  unwrap(M)->appendModuleInlineAsm(StringRef(Asm));
+}
+
 typedef DIBuilder *LLVMRustDIBuilderRef;
 
 typedef struct LLVMOpaqueMetadata *LLVMRustMetadataRef;
@@ -346,6 +357,7 @@ enum class LLVMRustDIFlags : uint32_t {
   FlagStaticMember = (1 << 12),
   FlagLValueReference = (1 << 13),
   FlagRValueReference = (1 << 14),
+  FlagMainSubprogram      = (1 << 21),
   // Do not add values that are not supported by the minimum LLVM
   // version we support!
 };
@@ -432,6 +444,11 @@ static unsigned fromRust(LLVMRustDIFlags Flags) {
   if (isSet(Flags & LLVMRustDIFlags::FlagRValueReference)) {
     Result |= DINode::DIFlags::FlagRValueReference;
   }
+#if LLVM_RUSTLLVM || LLVM_VERSION_GE(4, 0)
+  if (isSet(Flags & LLVMRustDIFlags::FlagMainSubprogram)) {
+    Result |= DINode::DIFlags::FlagMainSubprogram;
+  }
+#endif
 
   return Result;
 }
@@ -462,11 +479,19 @@ extern "C" void LLVMRustDIBuilderFinalize(LLVMRustDIBuilderRef Builder) {
 }
 
 extern "C" LLVMRustMetadataRef LLVMRustDIBuilderCreateCompileUnit(
-    LLVMRustDIBuilderRef Builder, unsigned Lang, const char *File,
-    const char *Dir, const char *Producer, bool isOptimized, const char *Flags,
+    LLVMRustDIBuilderRef Builder, unsigned Lang, LLVMRustMetadataRef FileRef,
+    const char *Producer, bool isOptimized, const char *Flags,
     unsigned RuntimeVer, const char *SplitName) {
-  return wrap(Builder->createCompileUnit(Lang, File, Dir, Producer, isOptimized,
+  auto *File = unwrapDI<DIFile>(FileRef);
+
+#if LLVM_VERSION_GE(4, 0)
+  return wrap(Builder->createCompileUnit(Lang, File, Producer, isOptimized,
                                          Flags, RuntimeVer, SplitName));
+#else
+  return wrap(Builder->createCompileUnit(Lang, File->getFilename(),
+      File->getDirectory(), Producer, isOptimized,
+      Flags, RuntimeVer, SplitName));
+#endif
 }
 
 extern "C" LLVMRustMetadataRef
@@ -574,7 +599,7 @@ extern "C" LLVMRustMetadataRef LLVMRustDIBuilderCreateStaticVariable(
     const char *LinkageName, LLVMRustMetadataRef File, unsigned LineNo,
     LLVMRustMetadataRef Ty, bool IsLocalToUnit, LLVMValueRef V,
     LLVMRustMetadataRef Decl = nullptr, uint32_t AlignInBits = 0) {
-  Constant *InitVal = cast<Constant>(unwrap(V));
+  llvm::GlobalVariable *InitVal = cast<llvm::GlobalVariable>(unwrap(V));
 
 #if LLVM_VERSION_GE(4, 0)
   llvm::DIExpression *InitExpr = nullptr;
@@ -586,26 +611,21 @@ extern "C" LLVMRustMetadataRef LLVMRustDIBuilderCreateStaticVariable(
     InitExpr = Builder->createConstantValueExpression(
         FPVal->getValueAPF().bitcastToAPInt().getZExtValue());
   }
-#endif
 
-#if LLVM_VERSION_GE(4, 0)
-  return wrap(Builder->createGlobalVariableExpression(
+  llvm::DIGlobalVariableExpression *VarExpr = Builder->createGlobalVariableExpression(
+      unwrapDI<DIDescriptor>(Context), Name, LinkageName,
+      unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
+      InitExpr, unwrapDIPtr<MDNode>(Decl), AlignInBits);
+
+  InitVal->setMetadata("dbg", VarExpr);
+
+  return wrap(VarExpr);
 #else
   return wrap(Builder->createGlobalVariable(
-#endif
       unwrapDI<DIDescriptor>(Context), Name, LinkageName,
       unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
-#if LLVM_VERSION_GE(4, 0)
-      InitExpr,
-#else
-      InitVal,
+      InitVal, unwrapDIPtr<MDNode>(Decl)));
 #endif
-      unwrapDIPtr<MDNode>(Decl)
-#if LLVM_VERSION_GE(4, 0)
-      ,
-      AlignInBits
-#endif
-      ));
 }
 
 extern "C" LLVMRustMetadataRef LLVMRustDIBuilderCreateVariable(
@@ -1296,6 +1316,12 @@ extern "C" LLVMRustVisibility LLVMRustGetVisibility(LLVMValueRef V) {
   return toRust(LLVMGetVisibility(V));
 }
 
+// Oh hey, a binding that makes sense for once? (because LLVM’s own do not)
+extern "C" LLVMValueRef LLVMRustBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
+                                             LLVMTypeRef DestTy, bool isSigned) {
+  return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), isSigned, ""));
+}
+
 extern "C" void LLVMRustSetVisibility(LLVMValueRef V,
                                       LLVMRustVisibility RustVisibility) {
   LLVMSetVisibility(V, fromRust(RustVisibility));