Rollup merge of #89876 - AlexApps99:const_ops, r=oli-obk

[rust.git] / compiler / rustc_codegen_llvm / src / builder.rs

diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index 9f7b8616d7817b905b1914836c9ae3cd2547eb02..0707faf610cf3e4edc312bf9f3b8d0cac413adcf 100644 (file)
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -604,6 +604,32 @@ fn nonnull_metadata(&mut self, load: &'ll Value) {
         }
     }
 
+    fn type_metadata(&mut self, function: &'ll Value, typeid: String) {
+        let typeid_metadata = self.typeid_metadata(typeid);
+        let v = [self.const_usize(0), typeid_metadata];
+        unsafe {
+            llvm::LLVMGlobalSetMetadata(
+                function,
+                llvm::MD_type as c_uint,
+                llvm::LLVMValueAsMetadata(llvm::LLVMMDNodeInContext(
+                    self.cx.llcx,
+                    v.as_ptr(),
+                    v.len() as c_uint,
+                )),
+            )
+        }
+    }
+
+    fn typeid_metadata(&mut self, typeid: String) -> Self::Value {
+        unsafe {
+            llvm::LLVMMDStringInContext(
+                self.cx.llcx,
+                typeid.as_ptr() as *const c_char,
+                typeid.as_bytes().len() as c_uint,
+            )
+        }
+    }
+
     fn store(&mut self, val: &'ll Value, ptr: &'ll Value, align: Align) -> &'ll Value {
         self.store_with_flags(val, ptr, align, MemFlags::empty())
     }
@@ -828,6 +854,7 @@ fn icmp(&mut self, op: IntPredicate, lhs: &'ll Value, rhs: &'ll Value) -> &'ll V
     }
 
     fn fcmp(&mut self, op: RealPredicate, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {
+        let op = llvm::RealPredicate::from_generic(op);
         unsafe { llvm::LLVMBuildFCmp(self.llbuilder, op as c_uint, lhs, rhs, UNNAMED) }
     }