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LLVMConstInt only allows integer types
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compiler/rustc_codegen_llvm/src/common.rs

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@@ -5,6 +5,7 @@ use rustc_abi as abi;
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use rustc_abi::Primitive::Pointer;
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use rustc_abi::{AddressSpace, HasDataLayout};
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use rustc_ast::Mutability;
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use rustc_codegen_ssa::common::TypeKind;
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use rustc_codegen_ssa::traits::*;
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use rustc_data_structures::stable_hasher::{Hash128, HashStable, StableHasher};
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use rustc_hir::def_id::DefId;
@@ -146,6 +147,7 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
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}
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fn const_int(&self, t: &'ll Type, i: i64) -> &'ll Value {
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assert!(self.type_kind(t) == TypeKind::Integer, "only allows integer types in const_int");
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unsafe { llvm::LLVMConstInt(t, i as u64, True) }
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}
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@@ -176,10 +178,12 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
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}
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fn const_uint(&self, t: &'ll Type, i: u64) -> &'ll Value {
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assert!(self.type_kind(t) == TypeKind::Integer, "only allows integer types in const_uint");
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unsafe { llvm::LLVMConstInt(t, i, False) }
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}
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fn const_uint_big(&self, t: &'ll Type, u: u128) -> &'ll Value {
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assert!(self.type_kind(t) == TypeKind::Integer, "only allows integer types in const_uint_big");
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unsafe {
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let words = [u as u64, (u >> 64) as u64];
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llvm::LLVMConstIntOfArbitraryPrecision(t, 2, words.as_ptr())

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