diff options
Diffstat (limited to 'src/codegen/llvm.zig')
| -rw-r--r-- | src/codegen/llvm.zig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index 961ed7ee99..8b3edcfe23 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -960,6 +960,7 @@ pub const FuncGen = struct { .call => try self.airCall(inst), .cond_br => try self.airCondBr(inst), .intcast => try self.airIntCast(inst), + .trunc => try self.airTrunc(inst), .floatcast => try self.airFloatCast(inst), .ptrtoint => try self.airPtrToInt(inst), .load => try self.airLoad(inst), @@ -1615,6 +1616,16 @@ pub const FuncGen = struct { return self.builder.buildIntCast2(operand, try self.dg.llvmType(inst_ty), llvm.Bool.fromBool(signed), ""); } + fn airTrunc(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value { + if (self.liveness.isUnused(inst)) + return null; + + const ty_op = self.air.instructions.items(.data)[inst].ty_op; + const operand = try self.resolveInst(ty_op.operand); + const dest_llvm_ty = try self.dg.llvmType(self.air.typeOfIndex(inst)); + return self.builder.buildTrunc(operand, dest_llvm_ty, ""); + } + fn airFloatCast(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value { if (self.liveness.isUnused(inst)) return null; |