diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/common.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/common.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index 488ea72c3b7..acee9134fb9 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -215,7 +215,11 @@ impl<'ll, 'tcx> ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> { } fn const_to_opt_uint(&self, v: &'ll Value) -> Option<u64> { - try_as_const_integral(v).map(|v| unsafe { llvm::LLVMConstIntGetZExtValue(v) }) + try_as_const_integral(v).and_then(|v| unsafe { + let mut i = 0u64; + let success = llvm::LLVMRustConstIntGetZExtValue(v, &mut i); + success.then_some(i) + }) } fn const_to_opt_u128(&self, v: &'ll Value, sign_ext: bool) -> Option<u128> { |